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Write a program in java to accept a name from the user and print it in reverse form

Write a program in java to accept a name from the user and print it in reverse form. *; May 20, 2023 · Java command-line argument is an argument i. Run the loop for n/2 times where ‘n’ is the number of elements in the arraylist. Output: Explanation: Recursive function (reverse) takes string pointer (str) as input and calls itself with next location to passed pointer (str+1). In the above program, two numbers 1. For the movement over the array, use l, r, u, and d letters that represent the direction of movement left, right, up, and down, respectively. 29 is a prime number. join(""); // return the reversed string return 1) Singly linked list Examples in Java. In this program, we need to find the reverse of the string. Examples: Input: str = "geeks for geeks" Output: Vowels: 5 Consonants: 8 Input: str = "abcdefghijklmnopqrstuvwxyz" Output: Vowels: 5 Consonants: 21Using For LoopsTake the string as inputTake each character from this string to checkIf this character is Here, we will be writing a Java program that will convert a binary number into decimal and vice versa using built-in methods and custom methods. Your program should then ask the user to enter the a string representing a persons name, and an integer representing their age. We are a team of enthusiastic developers. Question: Write a Java program to accept a given number of item names and prices, then output them in the reverse order in which they were input In addition, if one of the items is named Peas (not case sensitive) then output the average price of all the items otherwise, output 'no average output The first user input will be the number of items to process Here is a Java Program to find Reverse of the string. The program below is the modification of above program in which the user is also asked to enter the range up to which multiplication table should be displayed. The problem here is to print out a greeting addressing someone ( example : Hello Gerald) by taking a name as an input from the user. In the example below, we basically check if "AEIOUaeiou" contains the char that we're pulling from the user's input. In Java, the command line arguments passed from the console can be received in the Java program and they can be used as input. In each iteration of the loop, the remainder when n is divided by 10 is calculated and the value of n is reduced by 10 times. Jul 3, 2023 · You can use a stack to reverse the words in a string by pushing the words onto the stack one by one and then popping them off the stack to form the reversed string. In this java program, we will get a number variable and check whether number is palindrome or not. 2) Read the “n” value using scanner object sc. if the length of the string is zero then cursor terminates the loop. The first class contains the employee data and separate methods to set the IDs and names. Mar 6, 2023 · The name is Ghanendra Yadav the sort name or Abbreviated name will be G. Example of Java String toUpperCase (Locale locale) Below is the Implementation of the above method: java. Using Stringbuilder class. Sample Solution: Java Code: Explanation: In the exercise above -. An employee is an entity that can have several attributes like id, name, and department, etc. If the average of marks is >= 80 then prints Grade ‘A’. May 2, 2010 · The output is always a String, for example H,E,L,L,O,. Aug 20, 2021 · Java swing components are lightweight, platform-independent, provide powerful components like tables, scroll panels, buttons, list, color chooser, etc. Output: cba. here we can reverse the given input of t1 (TextField) into the t2 (TextField). Here, we have used the for loop to. com’ Output: princepriyank Approach 1: Using PHP strstr() to extract the username from the email address. reader. I think I should use compareTo() method or length()? Output must be like this : enter 5 names : Joey Mark Catherine Zachery Foster Longest name is Nov 16, 2023 · Write a recursive function to print the reverse of a given string. My codes are: Java for Loop. In this section, we will create a Java program to display even numbers from 1 to 100. Nov 23, 2023 · For the surname, extract and print the whole word. If you don't want it to be static, you'll have to access it via an object. out. println("Reversed Number: " + reversed); Output. Hello {name}! Your age is {age} Code Example: Reversed number = 5432. Recursion continues this way when the pointer reaches ‘\0’, all functions accumulated in stack print char at passed location In this section, we will create a Java program that converts the given number into words. reversed = reversed * 10 + digit; // remove the last digit from num. x. println("Enter a string"); a = in. Set num to 20, which is the upper limit for the prime number search. It should continue to do this until either the user Bozho already gave a great Java-specific answer, but in the event you ever need to solve this problem without Java API methods: To reverse, you can simply pop individual words onto a stack and pop them all back off when there are no words left. Write a program whose input is: firstName middleName lastName, and whose output is: lastName, firstName middleInitial. A positive integer is called an Armstrong number of order n if. Write a program in Java to accept a string. We can reverse each word of a string by the help of reverse (), split () and substring () methods. Decrement the value of N by 1 after each iteration. print(c + " "); Output. Sample Input: computer Alphabetical order: cemoprtu Sample Output: cdefghijklmnopqrstu. The following shows some of them (using import java. Program prints the grade based on this logic. Apr 21, 2024 · Find Prime Numbers Between 1 to n. Python. Pri Sep 21, 2015 · It gets the number of students from the user and stores it in (totalstudents) then creating the array of (studentname) and the length of the array is the number of students entered by the user. Here is how we can create arraylists in Java: ArrayList<Type> arrayList= new ArrayList<>(); Here, Type indicates the type of an arraylist. Jun 24, 2021 · Given a string email address, extract the username. For example: 153 = 1*1*1 + 5*5*5 + 3*3*3 // 153 is an Armstrong number. K. Auxiliary space: O (1), As constant extra space is used. Below is the implementation of the above approach. While loop iterates until the condition i>0 is false, i. in); // Request the name System. As we know that, the characters a, e, i, o, u are known as vowels in the English alphabet. To swap the elements based on the comparison between the two string. Write a program in Java to accept two strings. Python has two functions designed for accepting data directly from the user: Python 2. Apr 21, 2024 · 1) Here i=length of the given string. 1) We are finding the prime numbers within the limit. It's through a textbook so I haven't been taught how to split strings. 20f and 2. Using Recursion. In the second pass, Swap the second and (n-1)th element and so on till you reach the mid of the arraylist. In this program, we need to print the elements of the array in reverse order that is; the last element should be displayed first, followed by second last element and so on. May 3, 2023 · Program to print pyramid pattern; C Program To Print Character Pyramid Pattern; JavaScript Program to Print Pyramid Star Pattern; Program to print a inverse pyramid character pattern; C++ Program To Print Left Half Pyramid Pattern; C Program For Printing Simple Half Right Star Pyramid Pattern; Java Program to Print Matrix in Z form; C++ Program else. c = 'g'. import java. Split the name using the space delimiter. print ("Input a string: "). Locale; Jun 16, 2022 · Now we will use FileReader class to read the contents from a class and the FileWriter class to write it on another file. To learn the Java even number program, you must have the basic knowledge of Java for loop and if statement. Jul 30, 2019 · Find all users with a unique last name in MySQL? Program to print its script name as output in Python; Java Program to display date with day name in short format; How to print a variable name in C? Java Program to Display Name of the Weekdays in Calendar Year; Java Program to get name of parent directory Mar 23, 2023 · Input: str = “abc”. Determine the name and version of the operating system. The other class creates objects for the employees and uses the objects to call the set methods. string = "geeks quiz practice code". I had a dream that Jake ate a blue frog, The output should be Sep 23, 2015 · I want to the longest name for 5 given names. Then we will get the reverse of a string. To find the number of columns in i-th row, we use mat [i]. . Dec 21, 2014 · int total = 0; Step - 2: Now you're providing input values. 3) The for loop iterates from j=2 to j=given number. 2) While loop prints the character of the string which is at the index (i-1) until i>0. The loop variable ‘i’ is initialized with the first alphabet ‘A’ and incremented by 1 on every iteration. The String class can not have a Reverse method becuase it is immutable . These are: 1. By using reverse () method of StringBuilder class, we can reverse given string. Palindrome Number in Java: Write a program to accept a number from the user and check whether it is a Palindrome number or not. In order to create a java employee details program, we need to create a class for the employee entity and create properties of the employees. For example, ord (‘a’) returns the integer 97. We can reverse a number in Java using three main methods as mentioned below: Using While Loop. Oct 14, 2015 · You must size the array appropriately before you use it, because Java arrays aren't resizable. Feb 16, 2023 · Given a string and write a C program to count the number of vowels and consonants in this string. Methods: In order to read contents from a file and write it into another file, one must have to know how to read a file or write a file. This can be done by iterating the string backward and storing each character from the original string into a new string. Without using any variable. println("You entered integer "+a); You could introduce a for loop which runs for exactly 5 times and inside scan for the number. Divide the number by 10. Given a number N, the task is to print the numbers from N to 1. Declare the variables to store the boundary of the array. Print the Sorted Names in an Alphabetical Order. Mar 18, 2024 · C Program To Print Your Own Name. Multiply the variable reverse by 10 and add the remainder into it. The input string is read using scanner. Feb 16, 2024 · In this example, we first utilize the Scanner class to accept user input and save the array size in the size variable. That's all I can find online, but that's not what the textbook is asking for. You can loop through A to Z using for loop because they are stored as ASCII characters in Java. println(num + " is not a prime number. Sample Input: 242 Sample Output: A Palindrome number Sample Input: 467 Sample Output: Not a Palindrome number. Using CompareTo () method compare one string with the rest of the strings. Console;): Scanner inp = new Scanner(System. 3. The first method is as follows: Take input the size of the array and the elements of the array. EDIT. Jul 11, 2022 · Program to print numbers from N to 1 in reverse order. num /= 10; System. A loop variable is taken to do this of type ‘char’. GuptaInput: Ishita BhuiyaOutput: I. The toLowerCase() method converts both str and reverseStr to Apr 20, 2024 · Java Print Hello Program. There are numerous approaches to reverse an array in Java. of divisors. In the loop, the character ‘i’ is printed Jan 25, 2024 · Given a string str, print reverse all words except the first and last words. Therefore, we will call this inbuilt function reverse () to reverse the Java Program to; Java Program to; Find Factorial; Swap Two Numbers; Print ASCII Values; Armstrong Number; Perfect Number; Conditional Operator; Assignment Operations; Java Program to; Find Even or Odd; Is String Empty; Factorial of A Number; Display Upper Triangle Matrix; Find Sparse Matrix; Interchange Matrix Diagonals; Trace and Normal of a Output. Additionally, call Arrays. Initialize variable i with 1. There are three ways to reverse a number in Java: Reverse a number using while loop. Return the arraylist after the loop termination. In Java, the most searching program is of employee details. Create a Java file that contains the main class – Registration. Example: Reverse an already initialized number In all the above programs, the number is entered by the user, however if do not want the user interaction part and want to reverse a hardcoded number then this is how you can do it. Well it's currently only accepting one. A number is a Palindrome which when reads in reverse order is same as in the right order. Variable Initialization: Declare two integer variables num and count. Check if i is less than or equal to n. Read: C++ Program to Convert a person's name in abbreviated Convert a Person's Name in Abbreviation Program in Java May 8, 2018 · Hopefully this'll allow you to write your code further, it's already looking great :). Apr 13, 2021 · reverse = reverse + str. or Write a Program in Python using the input function to accept the user name and age and print in the following format. Consider a function reverse which takes the parameters-the array (say arr) and the size of the array (say n). Check if i is exactly divisible by 2. Feb 28, 2023 · Javascript. nextInt() then reads all entered integers from the keyboard unless Example 2: Reverse a String Using built-in Methods // program to reverse a string function reverseString(str) { // return a new array of strings const arrayStrings = str. charAt(i); } return reverse; } And in your main, you simply: String reversed = myReverse(in. Type 2: NA. First, it uses the "Scanner" class to obtain user input. what i want it to do is print out the intisials of the users first and last name, any ideas how to fix this? Please help , Thanks in advance! My code looks like this atm Apr 19, 2024 · One Dimensional Array Program in Java – In this article, we will detail in on all the different methods to describe the one-dimensional array program in Java with suitable examples & sample outputs. The loop runs from the end to the beginning of the string. but textfield method setText (String) is accept one argument that must be in a String then we can use the toString () method to convert the Jan 31, 2023 · Given a full name in the form of a string, the task is to print the initials of a name, in short, and the surname in full. Here, we used the Java string length function to get the str length. Step 2: Put a NULL character at the position of space character and print the string after it. print the firstTerm of the series; compute nextTerm by adding firstTerm and secondTerm; assign value of secondTerm to firstTerm and nextTerm to secondTerm May 18, 2023 · Logic: 1. Each character of the string is accessed in reverse order and stored in reverseStr. Dec 25, 2023 · Syntax String toUpperCase () Method in Java. java. println("You entered: " + number); Output. nextInt(); Sep 10, 2023 · 6. Simply apply the steps/algorithm discussed and terminate the loop when the number becomes zero. In this article, we’ll see how to make a Registration form which includes all the buttons and field in one Form. class NumberToWordExample1. -> input () raw_input (): raw_input () asks the user for a string of data and simply returns the Oct 1, 2012 · 1) What standard Java class can be used for reading from the console? 2) What data structure will you use for the input string, in order to sort the chars in it later? 3) What library method allows sorting the data structure in (2) ? Once you know the answers, all you have to do is let your fingers play on the keyboard Jun 13, 2012 · 0. In the following java example, we used for loop to iterate each and every character from start to end and print all the characters in the given string. In the above program, for loop is used to determine if the given number num is prime or not. Using the variable. Input: ‘priyank@geeks. It is because a number is not divisible by more than its half. How could I limit the commas? I want the commas only between letters, for example H,E,L,L,O. Using Temp array. Nov 8, 2012 · System. Also declare a variable to store the size left to print the spiral. Example 2: In this example, we use scanf () to accept the name as input from the user and then print it. 4) Java program to create a singly linked list of n nodes and display it in reverse order. Mar 9, 2019 · A simple way to do this (intentionally avoiding complex regex options) would be to use the String. Use two classes. 2. This program takes integer input from the user. This is our upper limit for the even numbers we print to console. We can use different ways to display even numbers: Using Java for Loop. length. 1. Here, we can use the 2 different approaches to print the name: Input: Output: Example 1: In this example, we print the user name using printf () function. Here to help students and developers in their coding journey by providing accurate and easy-to-understand resources. *; class person Before using ArrayList, we need to import the java. Output : Time Complexity: O (1) Auxiliary Space: O (1) This program above computes the multiplication table up to 10 only. In the first loop, the user enter the name of students and stores them in the array of (studentname). For remaining middle words, print the reverse of every word after reaching end of it. class PalindromeExample {. For th reads an int value from the user: nextFloat() reads a float value form the user: nextBoolean() reads a boolean value from the user: nextLine() reads a line of text from the user: next() reads a word from the user: nextByte() reads a byte value from the user: nextDouble() reads a double value from the user: nextShort() reads a short value from Bookmark Now. The input here is a string value input by the user. Java employee details program. First, we find the remainder of the given number by using the modulo (%) operator. Apr 8, 2022 · Approaches. Then we make an array arr with the size ‘arr_size’. ArrayList<Integer> arrayList = new ArrayList<>(); Write a Java program to print characters in a string with an example. Nov 8, 2018 · Although, when I don't have the user input a file name and just have the code written with the name in quotation marks, the file ends up being created when I look back in the directory. if statement to compare str and reverseStr. nextInt(); System. Now, insert the missing letters in the sorted string to complete all the letters between first and last characters of the string. Output: 1. Example 1: Binary to Decimal Conversion Using Custom Method Dec 16, 2016 · Write a program that defines two arrays - one of strings and one of integers, both of size 10. Sample Input: String 1: HISTORY String 2: SCIENCE Nov 6, 2020 · In this tutorial, we are going to learn how we can Write a java program that take input as a person name in the format of first ,middle and last name and then print it in the form of last, first and middle ,where in the middle name first character will be capital letter. Method 2: Using Recursion. print("What is your name? Feb 8, 2024 · Here are few methods in different programming languages to print ASCII value of a given character : Python code using ord function : ord () : It converts the given string of length one, returns an integer representing the Unicode code point of the character. Examples: Input : Hi how are you geeks Output : Hi woh era uoy geeks Input : I am fine Output : I ma finePrint the first word. Let's create a Java program for the same. So, internally, you loop through 65 to 90 to print the English alphabets. Jul 21, 2022 · Let us see the approach with the help of diagrams: step 1: Traverse from the last character until it encounters a space character . In this program, our task is to count the total number of vowels and consonants present in the given string. The users can pass the arguments during the execution bypassing the command-line arguments inside the main () method. NumberToWordExample1. ). With a little modification, you can display lowercase alphabets as shown in the example below. Yadav. Below is the implementation of the above approach: cout << (char)toupper(t[0]) << ". For your second question, you may like to consider having a JTextField on your JFrame for the user to enter lines into instead of a JOptionPane. Dec 13, 2023 · Program to print (A to Z) and (a to z) using for loop. int[] numbersArray = new int[10]; Although int NumbersArray[] is completely legal, by convention the brackets go on the datatype, and the first letter of the variable name is lowercase. Method 1: Using the variable. ArrayList package first. print("Enter a number"); number = input. In this, “@” symbol is the separator for the domain name and user name of the email address. . com’ Output: priyank Input: ‘princepriyank@gfg. Inside the loop, the reversed number is computed using: reverse = reverse * 10 + remainder; In the above program, firstTerm and secondTerm are initialized with 0 and 1 respectively (first two digits of Fibonacci series). Following that, we use a for loop to accept user input and save it in an array. In the first pass, Swap the first and nth element. public static void main (String args []) {. e. File file = new File("TestFile. Here is a line-by-line explanation of the prime no program in Java: Class and Main Method: First, create a class named PrimeNumbers. First, create a 2D array of size n. The letters should be taken alternatively from each string. To get the first character, we can use substring Sep 15, 2022 · Steps. abcd = a n + b n + c n + d n + In case of an Armstrong number of 3 digits, the sum of cubes of each digits is equal to the number itself. so we can use StringBuffer for revese a given String. Write a program to accept the names of 10 cities in a single dimensional string array and their STD (Subscribers Trunk Dialling) codes in another single dimension integer array. Here is an example of how you can use a stack to reverse the words in a given string in Python: Python3. util Aug 6, 2013 · 1. Recommended Practice. Then the input values are entering the while loop. public String toUpperCase(Locale loc) Parameters: Type 1: Locale value to be applied as it converts all the characters into. Using String. Take a value for n. If the above condition is true, go to step 8, else go to step 9. Below is the Java program to print the initials of names and surnames. a)Write a python program to accept a file name from the user and perform the following operations Display the first N line of the file Find the frequency of occurrence of the word accepted from the user in the file Sep 10, 2017 · This program calculates the grade of a student based on the marks entered by user in each subject. System. "; Time complexity: O (n), Here n is the length of the string. Oct 26, 2016 · Write a program that displays employee IDs and first and last names of employees. For example, // create Integer type arraylist. Any character other than that is known as the consonant. Inside this class, declare the main() method. For example, if the user entered. indexOf() method within your loop. nextInt ()and store it in the variable n. Java Example. Create several employees and display their data. If the average is <60 and >=40 then prints Grade ‘C’. The while loop will continue to execute unless your input value is 1. Here, note that we are looping from 2 to num/2. Repeat the above steps until the number becomes 0. To reverse a string in java, we can first convert it to StringBuilder which is nothing but a mutable string. This will print reverse of all words except the last word. Using nested-if Statement. "); Output. 4. Step 3: At the end, the loop ends when it reaches the first character, so print the remaining characters, it will be Jul 14, 2023 · Methods to Reverse a Number in Java. Prerequisites: Arrays in Java, Array Declarations in Java (Single and Multidimensional) Method 1 (Simple Traversal) We can find the number of rows in a matrix mat [] [] using mat. Print i. toString to print your array properly. I am in a beginners course but am having difficulty with the approach for the following question: Write a program that asks the user to enter a line of input. Feb 16, 2024 · Print a 2 D Array or Matrix in Java. for loop to reverse the string. Try It! Approach: The idea is to create an empty stack and push all the characters from the string into it. Nov 23, 2023 · For the surname, extract and print the whole word. In this program, an object of Scanner class, reader is created to take inputs from standard input, which is keyboard. 45f which are to be swapped are stored in variables: first and second respectively. Program to print the elements of an array in reverse order. Start. The program should then display a line containing only the even numbered words. -> raw_input () Python 3. Class StringBuilder provides an inbuilt function called reverse (), which reverses the given string and provides you with the final output. This code is used to print out or display a greeting by taking input from a user using Java language. The user is prompted to input a string using System. If the average is <80 and >=60 then prints Grade ‘B’. nextLine () and converted to a character array using Example 3: Program to print half pyramid using alphabets A B B C C C D D D D E E E E E. Arrange all the letters of the string in an alphabetical order. passed at the time of running the Java program. Nov 27, 2021 · 1) Using StringBuilder. Sep 13, 2013 · What the program does atm : Asks user for first/last name and prints it out first +last name. Steps: 1. then count assigned to 0, the inner loop finds the divisors of each j value, count value represents no. Dec 26, 2022 · Write a Program in Python to take the user name and age and print it out on the console. Display the new string by taking each character of the first string from left to right and of the second string from right to left. Finally, we use another for loop to print the array’s elements. temp=n; Oct 28, 2023 · Pictorial Presentation: Reverse a string. Below is the Program :--import java. In the below program, For loop is used to print the alphabets from A to Z. Approach 1: Run a loop from N to 1 and print the value of N for each iteration. 2) Java Program to create and display a singly linked list. nextLine()); Note that the method is static because you're referring to it from a static manner ( main method). Assume that the length of both the strings are same. reverse(); // join all elements of the array into a string const joinArray = reverseArray. io. The variables are printed before swapping using println() to see the results clearly after swapping is done. Search for the name of a city input by the user in the list. Reverse a string using Stack. Then pop each character one by one from the stack and put them back into the input string starting from the 0’th index. txt") Why won't it create a file when I try to use the String input from the user? Output: Input your number and press enter: 5678901 Reverse of the input number is:1098765. Below is the implementation of the above approach: Java. Examples: Input: Devashish Kumar GuptaOutput: D. Oct 28, 2023 · Write a Python program that accepts the user's first and last name and prints them in reverse order with a space between them. By the help of split ("\\s") method, we can get all words in an array. In this program, while loop is used to reverse a number as given in the following steps: First, the remainder of the num divided by 10 is stored in the variable digit. Java Program to reverse each word in String. For example, if the given number is 54,297 then the output should be Fifty-Four Thousand Two Hundred Ninety-Seven. There are several points which can be improved upon in your edited code. Your first input is 4, 4!=1, so, it enters the loop. util. Reverse a Number Using the While Loop. It's just a simple text box, and you can add the box's contents to the file every time the button is pressed: JTextField myTextField = new JTextField(); Java Program to count the total number of vowels and consonants in a string. BhuiyaApproach: The basic approach is to extract words one by one and then print the first letter of the word, followed by a dot(. The methods used in this article are as follows: Using Standard Method. If the above condition is true, go to step 6, else go to step 11. 3) Java program to create a singly linked list of n nodes and count the number of nodes. Then the while loop is used until n != 0 is false ( 0 ). Using Scanner. int r,sum=0,temp; int n=454;//It is the number variable to be checked for palindrome. split(""); // reverse the new created array elements const reverseArray = arrayStrings. Jun 1, 2019 · Many documents use a specific format for a person's name. The charAt() method accesses each character of the string. Jan 30, 2023 · Write a Java program for a given dimension of a sequence of matrices in an array arr[], where the dimension of the ith matrix is (arr[i-1] * arr[i]), the task is to find the most efficient way to multiply these matrices together such that the total number of element multiplications is minimum. Then, Enter a number prompt is printed to give the user a visual cue as to what they should do next. If you want to accept five, you'll need to call nextInt() five times. Execute a loop from 1 to n*2 to fill the Let's see the palindrome program in java. Apr 18, 2024 · Learn how to print Fibonacci series in Java using different methods and examples. Fibonacci series is a sequence of numbers where each term is the sum of previous two terms. ls hg sb lb bp oi av bi lj pv