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Write a function called repeat(s, n) with two parameters, a String s and an int n. The routine should return a string with s repated n...

Write a function called countVowels that receives a string and returns the count of how many vowels it has, including a,e,i,o, and u and...

Write a function called makeExcited that receives a char and permanently changes the value of it so that it becomes an exclamation mark (...

Write a function called punctuate that receives a string and permanently changes the value of that same string so that if there is a...

Write a function called exchange that receives two chars and permanently exchanges their values so each one has the value that the other...

Assume you have access to the following method.

public int add3Ints(int a, int b, int c){ return a + b + c; } 

Call add3Ints and pass the...

Assume you have access to the following method.

public int add3Ints(int a, int b, int c){ return a + b + c; } 

Call add3Ints and pass the...

Assume you have access to the following method.

public int add3Ints(int a, int b, int c){ return a + b + c; } 

Call add3Ints and pass the...

For this problem assume you have access to a Person class. Below, you'll see the start of a Student class that is a subclass of Person....

For this problem assume you have access to a Shape class. Below, you'll see the start of a Square class that is a subclass of Shape....

For this problem assume you have access to a Person class defined here:

 public class Person{ public String name; private int age; public...

For this problem assume you have access to a Person class defined here:

 public class Person{ public String name; private int age; public...

public int subtract(int a, int b){ return a - b; } 

Use the method defined above to subtract 10 from 100 (as in 100 - 10).

public int subtract(int a, int b){ return a - b; } 

Use the method defined above to subtract 35 from 45 (as in 45 - 35).

public int subtract(int a, int b){ return a - b; } 

Use the method defined above to subtract 32 from 124 (as in 124 - 32).

Below is a ChessPiece class that we will be using as a superclass for a Queen subclass.

public class ChessPiece { // the location of this...

For this problem you will use this class:

public class Rectangle { private int length; private int width; public void setLength(int len)...

For this problem you will have access to the following class:

public class Ball{ private int diameter; private String color; public void...

For this program you will be creating a method that calculates the product of three numbers.

Your method will need to be named product...

For this program you will be creating a method that calculates the average of three numbers.

Recall that an average is calculated by...

For this problem you will use this class:

public class Rectangle { private int length; private int width; public void setLength(int len)...

Write a method called product() that calculates the product of three integers. Your method will need to be named product. It will take in...

Write a method called average() that calculates the average of three numbers. Recall that an average is calculated by adding a group of...

The following method takes in an int called size. For this question, create an array of booleans of length size. You do not need to...

Write a function called school that takes a string that represents the day of the week and displays the corresponding message:

• monday:...