RE: Null pointer exception when running the first junit test

When i’m running the first junit test im getting null pointer exception. I have copied it below. Please find why I’m getting this error.


package Application.UnitTests;
import static org.junit.Assert.*;

import junit.extensions.*;

import org.junit.Test;

import Application.MathProvider;
public class JunitMathProvider_1 {
MathProvider provider;
public SimpleTest(){

provider = new MathProvider();


public void add()


System.out.println("Starting test " + new Object(){}.getClass().getEnclosingMethod().getName());

int firstNumber = 10;

int secondNumber = 20;

assertEquals(firstNumber + secondNumber, provider.Add(firstNumber, secondNumber));

System.out.println("Ending test " + new Object(){}.getClass().getEnclosingMethod().getName());


saikrishtest Default Asked on October 26, 2014 in Selenium WebDriver.

OnĀ  Which Line Your are Getting Null Pointer Exception..?

on October 26, 2014.
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2 Answers

Try Writing This Line as First Line in Add Method
provider = new MathProvider();

Please Let me Know if it Works


Vice Professor Answered on October 26, 2014.
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