Program to swap two values using third variable in java.

Code Box
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/*program to swap two values using third variable */

import java.io.*;

class swap
{
public static void main(String x[]) throws IOException
{
int a,b,temp;

BufferedReader obj=new BufferedReader(new InputStreamReader(System.in));

System.out.print("\nEnter two numbers :");
System.out.print("\nEnter first number a= ");
a=Integer.parseInt(obj.readLine());

System.out.print("\nEnter second number b= ");
b=Integer.parseInt(obj.readLine());

System.out.print("\nValues before swapping a= "+a+" & b= "+b);

temp=a;   //swapping
a=b;
b=temp;

System.out.print("\nValues after swapping a= "+a+" & b= "+b);

}
}