Exercises

The following method takes in an array of integers called numbers. Implement the method so that it increases the value of each item in...

The following method should return the index of the specified value within the integer array numbers. However, it does not work properly....

The following method should return a string representation of the array in the parameter called numbers. However, currently it returns a...

In the following code, create an array of integers and initialize it to contain the values from 10 to 20, inclusive.

To be clear, the...

The following method takes in an int called size and an int called value. Create an array of integers of size size, and set every slot in...

Change the value at every even index in the given array to false. For example, given the array [true, true, true, true, true], this...

We have a program that keeps track of the hours someone sleeps each night, with an array of seven integers that represent each day of the...

The function maximize receives two integers and updates them so that they both hold the value of the greater of the two. It also helps...

Say that a "character clump" in a string is a series of 2 or more adjacent copies of the same character. Return the number of character...

For this method, create and return a 10x5 array of booleans.

Create a 5x10 array of doubles and set the last location in the third row to 25.3. Return that array.

For this question create a 2D array using the sizes passed in as parameters. Use rows as the size of the first dimension, and columns as...

In the following method, modify the 2D array that is passed in by setting the last item in the last row to "Hello". Return the 2D array.

The following method take in a 2D array of integers. It should set every value in the array to 10. However, currently, it is not working...

Fill in the for loops in the following method. This method needs to iterate through the 2D boolean array and set each slot in the array...

Fill in the for loops in the following method. This method needs to iterate through the 3D array and set each slot to 5.3.

Initialize the variables quotient and mod below and add them in the correct locations to create the correct result. The method should...

Initialize the variables below and add them in the correct locations to create the correct result. For example, if variableModString(2,...

Fill in the if statement in the following method. The method should return "Divisible!" if the parameter x is eveny divisible by 5....

Implement the following method so that it counts the number of times the target character appears in the given string and returns the...

The following method takes in a 2 dimensional array as a parameter. Set the first value in each row to 10, then return the array.

Write a method that will return true if int num is even.

The following method takes in a 1-dimensional array of integers and should change every item that has an even index to the number 100....

The following method takes in a 2D array of characters. for each row at an even index, change every item in that row to '*'.

For example:...

In math, multiplying a matrix by a single number is straightforward. For example, if you had a 2D array of ints

int [][] numbers = { {1,...