Question

How to swap two string without using temp variable in java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String a = "Java";  
        String b = "Programming";  
        
        a = a + b;  
        b = a.substring(0, a.length() - b.length());  
        a = a.substring(b.length());  
        
        System.out.println("a = " + a + " b = " + b);  
    }
}



/*
run:

a = Programming b = Java

*/

 

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