Chapter 1 - 2 Review -- 4-8-2024

Create a basic Object instance of the Aircraft Class

Answer explanation

Aircraft myAir = new Aircraft();

Create an Object instance of the Employee class with the initialization of the Object employee name Goku, and employee number 848.

Answer explanation

Employee myEmp = new Employee("Goku", 848);

Declare and initialize a variable called milesPerGallon with the primitive type double and a value of 22.5

Answer explanation

double milesPerGallon = 22.5;

Declare a private variable called engineer, as a string type, with no initialization

Answer explanation

private String engineer;

Write the code that creates and assigns the long variable salary with the value 100000.

Answer explanation

long salary = 100000;

Create the code that assigns the value of height + 10 to the double variable width

Answer explanation

double width = height + 10;

Create a int variable called perHour with an initial value initialized 20. Then, change the value to 60 through assigning.

Answer explanation

int perHour = 20;
perHour = 60;

Which number type would you use for storing the area of a circle?

• int

• double

• char

• final

Declare the variable myName to hold your name

Answer explanation

String myName = "Your Name";

Create an Object of a Car class, and then call on the method drive().

Answer explanation

Car myCar = new Car();
myCar.drive();