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P04.java
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P04.java
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//Write a program to store numbers in two variables a and b. Exchange the value of a and b by taking the help of a third variable and display the values of a and b
public class P04 {
public static void main(String[] args) {
// Initialize variables a and b with values.
int a = 10;
int b = 20;
// Print the initial values of a and b.
System.out.println("Before swapping:");
System.out.println("a = " + a);
System.out.println("b = " + b);
// Swap the values of a and b using a temporary variable.
int temp = a;
a = b;
b = temp;
// Print the final values of a and b after swapping.
System.out.println("After swapping:");
System.out.println("a = " + a);
System.out.println("b = " + b);
}
}
/*
* In this program, we first declare two integer variables a and b and
* initialize them with values 10 and 20, respectively. Then, we print the
* initial values of a and b using the System.out.println() method.
*
* Next, we declare a third integer variable called temp and assign it the value
* of a. We then assign the value of b to a, and finally assign the value of
* temp (which is the original value of a) to b. This effectively exchanges the
* values of a and b.
*
* Finally, we print the final values of a and b using the System.out.println()
* method.
*/