Java String Explanation

Class Stringequaltest {

public static void Main (string[] args) {
String S1 = "programming";//Stack
String s2 = new String ("Programming");//Stack
String s3 = "program";//constant
String S4 = "Ming";//constant
String S5 = "program" + "Ming";//Stack
String s6 = s3 + s4;//constant
System.out.println (S1 = = s2);//false
System.out.println (S1 = = S5);//
System.out.println (S1 = = S6);
System.out.println (S1 = = S6.intern ());
SYSTEM.OUT.PRINTLN (S2 = = S2.intern ());//This sentence is equivalent to S2==S1 of course false
}
}

False
True
False
True
False

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Understanding Java abstract Classes and interfaces

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Java String Explanation