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Swap two variables in one line in using Java
Two variables can be swapped in one line in Java. This is done by using the given statement.
x = x ^ y ^ (y = x);
where x and y are the 2 variables.
A program that demonstrates this is given as follows −
Example
public class Example {
public static void main (String[] args) {
int x = 12, y = 25;
System.out.println("Original values of x and y");
System.out.println("x = " + x);
System.out.println("y = " + y);
x = x ^ y ^ (y = x);
System.out.println("Swapped values of x and y");
System.out.println("x = " + x);
System.out.println("y = " + y);
}
}
Output
Original values of x and y x = 12 y = 25 Swapped values of x and y x = 25 y = 12
Now let us understand the above program.
First, the original values of x and y are printed. The code snippet that demonstrates this is given as follows.
int x = 12, y = 25;
System.out.println("Original values of x and y");
System.out.println("x = " + x);
System.out.println("y = " + y);
The x and y are swapped in a single line. Finally, the swapped values of x and y are displayed. The code snippet that demonstrates this is given as follows.
x = x ^ y ^ (y = x);
System.out.println("Swapped values of x and y");
System.out.println("x = " + x);
System.out.println("y = " + y);
Updated on: 30-Jul-2019
4K+ Views
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