Exercises

The following method could be added to a Jeroo subclass to provide an action to turn around by turning left twice. Change the method so...

You wrote the following statements when first learning about Jeroo methods--they move the Jeroo forward 3 steps. Now that you've found...

The following declaration introduces a variable named jessica that refers to a Jeroo, and also creates a new instance of the Jeroo class...

The following myProgram() method creates a Jeroo and adds it to the island at (1, 1). Change the code so the Jeroo begins facing north at...

The following statements move a Jeroo forward two steps. Insert new method calls between the two statements to turn left twice, so that...

You are writing a declaration for a new class called King that represents a chess piece, and it has already been started for you below....

You are writing a subclass of Jeroo called RichJeroo and the constructor appears below. Modify the constructor so the Jeroo starts out...

You are writing a subclass of Jeroo called SunnyJeroo and the constructor appears below. Modify the constructor so the Jeroo starts out...

You are writing a subclass of Jeroo called NorthernJeroo and the constructor appears below. Modify the constructor by removing the ...

You are writing a subclass of Jeroo called StockedJeroo and the constructor appears below. Modify the constructor by removing the flowers...

You are writing a subclass of Jeroo called BonusJeroo and the constructor appears below. Modify the constructor so that the Jeroo begins...

You are writing a subclass of Jeroo called PurpleJeroo and the constructor appears below. However, this constructor has some syntax...

You are writing a new class called King that is a subclass of ChessPiece, and it is time to write the constructor. The superclass ...

You are writing a new class called King that is a subclass of ChessPiece, and it is time to write the constructor. The superclass ...

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

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

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

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

Write a method called plantThree() that can be added to a Jeroo subclass. The method should plant a flower and hop, and repeat that...

Write a method called turnAroundLeft() that can be added to a Jeroo subclass. The method should turn to the left, hop forward, and turn...

You will write a method called plantThreeRowsOfThree() that can be added to a Jeroo subclass. The method should plant three rows of three...

Add a new else if statement to the conditional below. if the jeroo named charles sees a net ahead if it, it should run the toss method.

For this question, you have access to a Jeroo named amy. Add in an else statement to the following cascaded if that will set the int...

For this question you can assume you have access to two jeroo variables. One named tom and one named jerry.

Change the if statement so...

For this question you can assume you have access to two jeroo variables. One named tom and one named jerry.

Change the if statement so...

For this question you can assume you have access to three jeroo variables. One named tom, one named steve, and one named jerry.

Change if...

For this question you writing code for named erin. Change the if statement to a while loop so that erin will continue turning until erin...