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

static-members-green

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!
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Java quizmaster for beginners (English)

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Sar Maroof is the author of two Java books namely, Java quizmaster for beginners and A guide to build a Java application.
Experience with developing web applications since 2001
Sun Certified JSP as well as EJB
CIW Certified Internet Webmaster
Applied Science in Physics HBO Amsterdam
As well as Bachellor Science in Physics.
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  1. Great content thanks!

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