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.



Sar Maroof is a professional software development teacher, gives master classes and publishes technical articles. He is also an expert software developer and worked for several big as well as small companies and later as a freelancer.
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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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