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1. What will be the output of the program? public class StringRef { public static void main(String [] args) { String s1 = "abc"; String s2 = "def"; String s3 = s2; / Line 7 / s2 = "ghi"; System.out.println(s1 + s2 + s3); } }





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  • By: guest on 02 Jun 2017 01.26 am
    After line 7 executes, both s2 and s3 refer to a String object that contains the value "def". When line 8 executes, a new String object is created with the value "ghi", to which s2 refers. The reference variable s3 still refers to the (immutable) String object with the value "def".
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