From 087a50b2e723d3ca2f8ce327129ad305d9519beb Mon Sep 17 00:00:00 2001
From: sdhiray7 <sdhiray7@gmail.com>
Date: Wed, 17 Aug 2022 21:04:12 +0530
Subject: [PATCH] [BAEL-5661] Integer.toString(int i) vs String.valueOf(int i)
 (#12606)

* Initial commit for Object copy in Java

* review comments commit for Object copy in Java

* Initial commit for parseInt vs valueOf java

* Review comments commit for parseInt vs valueOf java

* Modify readme

* review comments

* build failure

* build failure retry

* build failure retry remove parseInt(java.lang.String,int,int,int)

* build failure add comment

* change examples

* review comments

* review comments 2

* review comments 3

* Initial commit for get current stacktrace

* Remove old files

* Name updates

* Jenkins error

* changes to file name

* Review comments

* Create unit test file

* Remove unnecessary files

* Update package name
---
 .../java/com/baeldung/inttostring/IntToStringUnitTest.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/inttostring/IntToStringUnitTest.java b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/inttostring/IntToStringUnitTest.java
index b865d0933d..34a4097d05 100644
--- a/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/inttostring/IntToStringUnitTest.java
+++ b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/inttostring/IntToStringUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.chararraytostring;
+package com.baeldung.inttostring;
 
 import static org.junit.Assert.assertEquals;
 
@@ -23,7 +23,8 @@ public class IntToStringUnitTest {
     @Test(expected = NullPointerException.class)
     public void whenNullIntegerObjectIsPassed_thenShouldThrowException() {
         Integer i = null;
-        System.out.println(String.valueOf(i)); // it prints "null"
-        System.out.println(i.toString()); 
+        // NOTE: primitive int can never be null, we are checking this example to check in what case the exception is thrown by these methods.
+        System.out.println(String.valueOf(i)); // prints "null" as the call goes to String.valueOf(Object obj) method
+        System.out.println(i.toString()); // throws NPE
     }
 }