Java check in

What is the correct way to declare an integer variable in Java?

• A) int number = "5";

• B) int number = 5;

• C) integer number = 5;

• D) num = 5;

Which of the following is not a primitive data type in Java?

• A) boolean

• B) double

• C) char

• D) String

In object-oriented programming, what is a class?

• A) A value assigned to a variable

• B) A blueprint for creating objects

• C) A type of loop

• D) A Java package

What will this loop print?

for (int i = 0; i < 3; i++) {

    System.out.println(i);

}

• A) 1, 2, 3

• B) 0, 1, 2

• C) 0, 1, 2, 3

• D) 1, 2

What will the following code print?

int x = 4;

int y = 3;

System.out.println(x - y * 2);

• A) 2

• B) -2

• C) 10

• D) 1

In robotics code, methods like setSpeed() or stopMotor() are examples of

• A) Variables

• B) Classes

• C) Methods

• D) Packages

What is the correct syntax for creating a new object in Java?

• A) Motor motor();

• B) Motor motor = new Motor();

• C) new Motor = motor();

• D) create Motor motor;

Which statement describes inheritance?

• A) A class stores multiple variables

• B) A class gains attributes/methods from another class

• C) A method calling itself

• D) A for-loop inside a while-loop

What is the output of this code?

boolean a = true;

boolean b = false;

System.out.println(a && b);

• A) true

• B) false

• C) null

• D) 1

What does static mean in Java?

• A) The variable can change values

• B) The item belongs to the class, not objects

• C) The code never runs

• D) The variable is private