Java Method Quiz

A small block of code that is created outside of the main code block is called a:

• method.

• keyword.

• variable.

• variable type.

Why do we use methods in Java?

• Methods help organize code and make it reusable.
• Methods are only for advanced programmers.
• Methods make the code slower and harder to read.
• Methods are used to create graphics in Java.

What does "public" mean in the method signature?

• Public means the method can only be used in the same class.
• Public means the method is hidden from other parts of the program.
• Public means the method can be used by anyone in the program.
• Public means the method can only be used by the creator.

What does "void" mean in the method signature?

• Void means the method returns a string.
• Void means the method is not executed.
• Void means the method can return multiple values.
• 'Void' means the method does not return a value.

What are parameters?

• The value that a method returns.

• The values that a method prints to the screen.

• The values that gets passed into a method.

• The type that is given to a variable.

When a method finishes its work and gives back something, that something is called:

• a print statement.

• an argument.

• a parameter.

• a return value.

What happens if you try to give a method the wrong type of value?

• The method will automatically fix the value.
• The program will ignore the value.
• The program will run faster.
• The program will produce an error.

Which of the following is the correct syntax for calling a method?

• method[];

• methodName();

• methodName{};

• object.methodName

What is returned by this method call: doubleNumber(7.8); ?

public double doubleNumber(double myNumber)

{

return (double) (int) myNumber * 2;

}

• 16

• 15.6

• 14.0

• This method is improperly written.

What is returned by this method call: tripleInt(4); ?

public int tripleInt(int x) {

return x * 3;

}

• 8

• 4

• 12

• This method is improperly written.