Beginner quizzes – Java final classes & methods

The following Java exercise(s) are designed for beginner level programmers. If the level is too hard, then I recommend reading my article about this topic, which offers a theoretical explanation including more exercises. Read More: Java Final Classes And Methods

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Quiz 1: Java final classes and final members

What happens when you try to compile and run the following program?

public final class MyFinal {

    final int x = -1;

    int getNumber(int a, int b) {
        x = 0;
        if(a > b){
            return a;
        }
        else if(a < b) {
            return b;
        }
        else {
            return x;
        }
    }
    public static void main(String[] args){
        MyFinal mf = new MyFinal();
        System.out.println(mf.getNumber(12, 11));
    }
}

Select the correct answer.


Quiz 2: Final classes, methods and variables in Java

What happens when you try to compile and run the following program?

public class FinalClass {

	final int z = 5;
	final int y = 7;

	final void method(int z, int y){
		z = 6;
		System.out.print("z" + z + "-y" + this.y);
	}
	public static void main(String[] args){
		FinalClass fc = new FinalClass();
		fc.method(3,2);
	}
}

Select the correct answer.


Please, leave your questions, feedback and suggestions in the comments below!
SarMaroof.com offers a practical method to learn and improve your Java skills. It avoids unnecessary long boring theoretical explanations, but it uses many exercises and quizzes.



Sar Maroof is graduated from HBO Amsterdam "higher professional education". He is a professional computer programming teacher, gives master classes and publishes technical articles. His experience with developing software started from 2001 and he has worked as a software developer for several big as well as small companies and later as a freelancer. He is the author of Java quizmaster and Build a Java application in 7 days.

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