above program is incorrect ,it will give compile time error as "Dupl

String is an immutable object.
Then how can the following code be justified.

String s1 = ?ABC?;
String s1 = s1+?XYZ?;
s.o.p(s1);

The output is ABCXYZ, which is the value of s1 ?

Question Posted / paras bist

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Answer Posted / paras bist

above program is incorrect ,it will give compile time error
as "Duplicate Variable s1".
it should b
String s1 = "ABC";
String s = s1+"XYZ";
which is valid in string ,as we are creating new String
object

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