Create a java class called Question4, and implement the following points inside the main method: 1. Reads a string from the standard input device and store it in a variable called inputStr. 2. Find all the letter characters in inputStr and store them in another string variable called letterChars. Then, convert all the characters in letterChars to uppercase characters (i.e., capital letters). 3. Display the contents of letterChars to the user using a message dialog box.

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Question Details: There are multiple test cases. Each case starts with an integer N , the number of…

Q: Write a static method isValidPassword() that checks whether a string is a valid password. The method…

A: I have given an answer in step 2.

Q: Write a program named StringCompare.java which will prompt the user for three Strings, his/her…

A: Given: Write a program named StringCompare.java which will prompt the user for three Strings,…

Q: This must be done in Java.util.scanner. Class. Everything must have comments    Write a Java…

A: ALGORITHM:- 1. Take input from the user. 2. Generate the random number between 1 and 10. 3. Display…

Q: use java to Write a main application called yupi.java, and a GUI (that extends JFrame) called…

A: Introduction Java is a popular programming language, created in 1995. It is owned by Oracle, and…

Q: Use Java program to add a method printReceipt to the CashRegister class. Then create a driver class…

A: The two additional methods are to be added to the CashRegister class. The methods are addItem and…

Q: Write a Java program StringApplication which creates a sScanner object then does the following: 1.…

A: Program Approach: Importing necessary package Defining the main class Creating Scanner object…

Q: Write a complete Java program that do the following: Declare String object and a variable to store…

A: Here, you need to declare and initialize all variables first i.e name, id, coursename, code and crn.…

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Algorithm: There are multiple test cases. Each case starts with an integer N , the number of Po's…

Q: Write a complete Java program that performs the following tasks: Print your full name with double…

A: Program Plan: Print the full name with double quotes using the backslash (\) character in the print…

Q: Q3: Write a program to: • ask the users for a line of text then re-display this line, but with all…

A: Given: Java program to : ask users for a line of text then re-display this line with all lowercase…

Q: OR JAVA Write a method that takes a string as a parameter, and returns the inverse of the string.…

A: import java.util.*;class ReverseString{  public static void main(String args[])  {    String…

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Question Details: There are multiple test cases. Each case starts with an integer N , the number of…

Q: Write a complete Java program that prints out the following information: Ask the user to enter the…

A: The main objective of the java program, Rabab.java is to prompt the user to enter the last three…

Q: 1. Show two ways to concatenate the following two strings together to get the string "Hi, Ali."…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Write a method called vowelsInString() that accepts one String argument, and returns the number of…

A: Required: Write a method called vowelsInString() that accepts one String argument, and returns the…

Q: 1. Show two ways to concatenate the following two strings together to get the string "Hi, Ali."…

A: Sol 1:   The first way to concat the given strings, hi and All:    Statement to concat the given…

Q: Write a program that asks the user to enter a string. Pass the string to a method called palindrome…

A: import java.util.Scanner; public class Main{ public static void main(String[] args) {   String a, b…

Q: Create a Java program in BlueJ called FlowControl. Include your main method. Create three…

A: JAVA PROGRAM: import java.util.*;public class FlowControl{    public static void first_method()    {…

Q: Take two test Strings (StrFirstName and StrLastName) as input from User and Demonstrate the use of…

A: In java String is an object that contains a set of characters.  The string of characters is declared…

Q: You are to write a set of test cases which will test a static method which should say whether a…

A: Required: Here you don't need to provide the code for the program. it is just asking you to create…

Q: Write a java program which asks the user to enter name and age and calls the following methods: a.…

A: EXPLANATION - To write a java program we will  asks the user to enter name and also the age . And…

Q: 2.Write a Java program with screenshot output that uses switch statement to offer the user 3 choices…

A: As per the requirement program is developed. Algorithm: Step 1: Write the main() method Step 2:…

Q: Write an application that prints, on separate lines, your name, your birthday, your hobbies, your…

A: Start. Prompt the user to enter their name Store the name in a variable called name Prompt the user…

Q: 3. Write Java code to do what the comment says (without changing any of the given code): Scanner…

A: Given: Scanner stdinScanner = new Scanner (System.in);System.out.print ("Please enter the year you…

Q: Write a program that will prompt the user to enter a sentence (string data), read that entire…

A: Given something from the client, the program will make a 3D shape out of it where the word will be…

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Question Details: There are multiple test cases. Each case starts with an integer N , the number of…

Q: Write a program in java language to Use String methods to write a program called TitleCase.java that…

A: Program to convert  String from Lowercase to Uppercase public class toUppercaseString {      public…

Q: Question 2: Write a java program that prompt the user for a string telephone number of the form…

A: According to the Question below the solution:   Output:

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Question Details: There are multiple test cases. Each case starts with an integer N , the number of…

Q: 2. Declare variables to store a first name and a last name, and initialize with your own first name…

A: Declare variables to store a first name and a last name, and initialize with your own first name and…

Q: Here is the question: Create a program that contains a String that holds your favorite…

A: import java.util.Scanner; public class Main{    public static int calculateSpaces(String inString)…

Q: Dinner, a kind of noodle soup with rice. Mr. Ping makes the best noodle soup and his son Po is…

A: Question Details: There are multiple test cases. Each case starts with an integer N , the number of…

Q: Add a static method, public static void changeLetter (StringBuilder sb, char letter) Convert all…

A: The function converts StringBuilder string into char array. For loop is used to iterate over the…

Q: Write a Java program correctly that generates a report of proof of vaccination against COVID-19 for…

A: We need to write Java program for given specifications.

Q: Write a Java program that allows user to play Rock, Paper and Scissors game with a computer based on…

A: Display a welcome message to the user, saying "Welcome to Rock, Paper, Scissors game with my…