public class MyClass
{
static String s1 = "I am unique!";
public static void main(String args[])
{
String s2 = "I am unique!";
String s3 = new String(s1);
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
System.out.println(s3 == s1);
System.out.println(s3.equals(s1));
System.out.println(TestClass.s4 == s1);
}
}

class TestClass
{
static String s4 = "I am unique!";
}