Convert uppercase to lowercase in java

Source code below will convert uppercase(HELLO WORLD) to lowercase(hello world)

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COMPLETE SOURCE CODE FOR : ConvertUppercaseToLowercase.java
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public class ConvertUppercaseToLowercase
{
public static void main(String[]args)
{
String a="HELLO WORLD";

//CONVERT HELLO WORLD TO hello world
String b=a.toLowerCase();
a=b;
System.out.println(a);
}
}


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JUST COMPILE AND EXECUTE IT
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