String x="1,2"; String y="3,4"; x=(y+"$"+(y

there are 2 variables called x and y ,x contains 1,2 and y
contains 3,4 we have to swap the values from x to y and y
to x with out using dummy variables and it can be done only
by using a single statement ? how?

Question Posted / sheshadri

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Answer Posted / sheshadri

String x="1,2";
String y="3,4";
x=(y+"$"+(y=x)).split("[$]")[0];

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