How to swap two string variables in Java without using a third variable

Question

How do I swap two string variables in Java without using a third variable, i.e. the temp variable?

String a = \"one\"
String b = \"two\"
String temp = null;
temp         


        

Answer 1

For strings:

String a = "one"
String b = "two"

a = a + b;
b = a.replace(b, "");
a = a.replace(b, "");