Beginner quizzes – Java static methods & variables

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 Static Methods And Variables

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Quiz 1: Java static variables

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

public class MyStatic {

	static int x = 6;

	MyStatic() {
		x ++ ;
	}
	void method(){
		System.out.print("-x" + x);
	}
	public static void main(String[] args){
		MyStatic mc1,mc2,mc3,mc4;
		MyStatic mc5 = new MyStatic();
		MyStatic mc6 = new MyStatic();
		MyStatic mc7 = new MyStatic();
		mc7.method();
	}
}

Select the correct answer.


Quiz 2: Static methods and variables in Java

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

public class StaticMember {

	static int x;
	int y;

	StaticMember() {
		x += 2;
		y ++ ;
	}
	static int getSquare(){
		return x * x;
	}
	public static void main(String[] args){
		StaticMember sm1 = new StaticMember();
		StaticMember sm2 = new StaticMember();
		int z = sm1.getSquare();
		System.out.print("-x" + z + "-y" + sm2.y);
	}
}

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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2 Comments

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  1. Can you plz explain Quiz no2!!

  2. Great content thanks!

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