Quizzes – Java exceptions

The following Java exercise(s) are designed to help you understand the article to which it belongs. If the following quizzes are too hard, then I recommend to read the article first, which offers a theoretical explanation including examples and exercises.

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Quiz 1: Handling Exceptions In Java

What is written to the standard output as the result of executing the following code?

public class MyClass{

	public void method(){
		try{
			int x = Integer.parseInt("x");
			System.out.print(" a");
		}
		catch(NumberFormatException e){
			System.out.print(" b");
		}
		catch(IllegalArgumentException e){
			System.out.print(" c");
			return;
		}
		catch(Exception e){
			System.out.print(" d");
		}
		finally{
			System.out.print(" e");
		}
		System.out.print(" f");
	}
	public static void main(String[] args){
		MyClass mc = new MyClass();
		mc.method();
	}
}

Select the correct answer.


 

Quiz 2: Handling try catch and finally In Java

What is written to the standard output as the result of executing the following code?

public class MyClass{

	int x;
	String str;

	public void method(){
		try{
			str.indexOf(0);
		}
		catch(SecurityException s){
			x ++ ;
		}
		catch(NullPointerException n){
			x += 3;
		}
		catch(RuntimeException r){
			x += 5;
		}
		catch(Exception e){
			x += 7;
		}
		finally{
			x += 8;
		}
	}
	public static void main(String[] args){
		MyClass mc = new MyClass();
		mc.method();
		System.out.println(mc.x);
	}
}

Select the correct answer.


 

Quiz 3: Dividing by 0 Exception

What is written to the standard output as the result of executing the following code?

public class MyClass{

	int y;

	public void method(){
		try{
			int i = 2 / y;
		}
		catch(NullPointerException n){
			y += 3;
		}
		catch(RuntimeException r){
			y += 5;
			return;
		}
		catch(Exception e){
			y += 7;
		}
		finally{
			y += 6;
		}
		y += 4;
	}
	public static void main(String[] args){
		MyClass mc = new MyClass();
		mc.method();
		System.out.println(mc.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. Home run! Great slugnigg with that answer!

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