QUESTION 1

Are those two class attribute / field declarations absolutely equivalent in Java?

1) double taxRate;

2) public double taxRate;

Yes or no?

QUESTION 2

All objects used by your program are instantiated at the same time and the moment your program starts. True or false?

True

False

QUESTION 3

Each of instance of a class will have its own set of instance (non-static) attributes / fields. True or false?

True

False

QUESTION 4

How can you provide information hiding in a class?

		By "hiding" an attribute inside a method.
		By making data static.
		By using an appropriate access modifier.
		Only by using a constructor.

QUESTION 5

If Java access modifiers were listed in the order from most closed to most open, what would that list look like?

		public, protected, default, private
		private, default, protected, public
		public, default, protected, private
		private, protected, default, public

QUESTION 6

A method that gets a value from a class's attribute/field, but does not change it is called ....

		accessor / getter
		default constructor
		void
		mutator / setter

QUESTION 7

When a method variable has the same name / identifier as one of the class's attributes / fields, the method variable ............ that attribute / field.

		merges with
		deletes
		shadows
		replaces

QUESTION 8

Consider the following class:

public class someClass {

private double var = 4;

public someClass(){

this.var = 5;

}

public void setVar(double newVar){

this.var = newVar;

}

public void dummy(){

System.out.println("no var here");

}

}

What is the scope of attribute / field var?

		Only setVar method
		The term scope has nothing to do with attributes / fields
		Entire someClass class
		Only setVar method and constructor

QUESTION 9

In Java, an object is ..........

		a variable
		a blueprint
		an instance of a class
		a primitive data type

QUESTION 10

If you don't provide a constructor for your class, Java will automatically initialize all class attributes / fields using random values. True or false?

True

False