Given the following code, match the code with the correct output       public static String sub(String str) {         return str.substring(str.indexOf(",") + 1, str.indexOf(",", str.indexOf(",") + 1));     }     public static String sub2(String str) {         return str.substring(str.indexOf("@"));     }     public static String sub3(String str) {         String rtn = "";         String key = "KitHawk";         String key2 = "abcdefgh";         rtn += key2.charAt(key.indexOf(str.charAt(0)));         rtn += key2.charAt(key.indexOf(str.charAt(1)));         rtn += key2.charAt(key.indexOf(str.charAt(2)));         return rtn;     } Choices:  sub3("Kakwit")   sub2("frankie@rhps.com")   sub("Brad,Magenta,Columbia") Answers to match with the choices frankie@ Magenta Columbia aeg abc @rhps.com @ Brad ,Magenta Magenta, rhps.com def

Q: Find error and correct it : public class ProgramLayout {    public static void main (String[]…

A: We are going to predict the error in the following code.

Q: 15. What is the output of the program given below? public class Temp { public static void…

A: Verified the output using Java language.

Q: using System; class Program { publicstaticvoid Main(string[] args) { int number = 1; while (number…

A: We can get three random numbers between 1 and 88 instead of one by running a loop three times either…

Q: What is the error in the code and how do you fix it? ) public { } static void main(String[] args)…

A: Programming is the process of creating a set of instructions that tell a computer how to perform a…

Q: public class AssignmentOne { public static void main(String[] args) { int x = 6; while (x > 3){ if…

A: Below is the modified Java program: - Explanation: - In the given program, first print 'Z' and '-'…

Q: Consider the following application. Identify and correct any syntactic errors or omissions by…

A: Correcting the syntactic error or omitting by rewriting the line: 01 public Class Average;…

Q: Read the following code. The purpose is to test if str2 is equal to str3. public class StringEqual…

A: Here, Code instruction is given.

Q: Exercise 1 - What is wrong in the code below: public class Main {     public static void…

A: Let's solve all the errors code by code: Exercise 1  given code: public class Main {    public…

Q: What will the given code prints on the output screen.

A: Given, Programming language = JAVA Code: class isNaN_output { public static void main(String…

Q: public string getJobiitle() { return jobiitles 12 13 44 public void setJoblitle(String joblitle) {…

A: Since you are asking multiple questions, we are answering first part question only. If you want…

Q: An anagram is a word that has been rearranged from another word, check to see if the second word is…

A: output

Q: Code that need debugging fix with no errors   // Gets a String from user // Converts the String to…

A: Corrected the loop condition to i < stringLength to prevent accessing out of bounds.Added a dot…

Q: PROBLEM STATEMENT: Use string concatenation to append the "dogs" string to the parameter str.…

A: Task :- Write a Java program to implement a method which concatenates the string.   Java program :-…

Q: 15. What is the output of the program given below? public class Temp f

A: The method func1() returns the sum of its two integer arguments. Therefore, the call to func1(x, y)…

Q: class Lab4Q1P3 { public static void main(String args[]) { int max = 10; while (max < 10) {…

A: Here, value of "max" is not less than 10. So, condition is false. You need to write condition as…

Q: PROBLEM STATEMENT: Return the longest String! public class LongestString{ public static String…

A: To Do: To complete the code.

Q: public class Course{String name;String dept;int number;public Course (String n, String d, int…

A: To accomplish the task as described, you need to make a few changes and additions to your Course…

Q: public class Test { } public static void main(String[] args) { int a = 10;…

A: The output of the above code will be

Q: Run | Debug public static void main(String [] args){ String a = " coming!";…

A: Program: public class Q3a {        public static void main(String[] args)        {…

Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.