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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.

Java Exceptions & Errors: Article  Quizzes

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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! If you need more explanation by any of the answers, just let me know to update it for you!

Megisoft.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. The author of Megisoft is Sar Maroof who has more than a decade of experience with web development mainly with Java, MySql, HTML and more..

Java Exceptions & Errors: Article  Quizzes


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Click Here For Info about: Sar Maroof's New Java Book
Author: Sar Maroof
More than a decade of experience with developing web applications mainly with Java.
Sun Certified JSP as well as EJB
CIW Certified Internet Webmaster - Mind IT
Applied Science in Physics HBO Amsterdam
Bachellor Science in Physics at Basra university.
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1 Comment

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  1. Home run! Great slugnigg with that answer!

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