EXPLANATION:
step1: Write the class name and declare the main method.
step2: Initalize the variable int a,b,temp.
step3: Give the value for the variable a=10,b=5.
step4: Assign the third variable as temp.
step5: Declare temp=a; a=b; b=temp;
step6: Assign a to a temp variable temp=a;
step7: Assign b to a variable a=b;
step8: Assign temp to variable b=temp;
step9: Now, the value will be swapped.
Program:
public class Swapvar
{
public static void main(String args[])
{
int a = 10;
int b = 5;
b = a + b;
a = b - a;
b = b - a;
System.out.println(a);
System.out.println(b);
}
}
Compile:
javac Swapvar.java
java Swapvar
Output:
5
10