getBoolean(String str) and valueOf(String str) of Boolean class gives different output

Question

I am surprised to know that getBoolean() and valueOf() method returns different results for the same input string.

I have tried to pass the

Answer 1

class Boo1
{    
    public static void main(String[] args)
    {    
       System.setProperty("true","true");
       System.setProperty("false","true");

       boolean d=Boolean.getBoolean("true");

       System.out.println(d);   
   }
}