swapping with two variables in java
public class Exercise15 {
public static void main(String[] args) {
// int, double, float
int a, b;
a = 15;
b = 27;
System.out.println("Before swapping : a, b = "+a+", "+ + b);
a = a + b;
b = a - b;
a = a - b;
System.out.println("After swapping : a, b = "+a+", "+ + b);
}
}Swapping of two numbers in java with temporary variable
public class Main{public static void main(String[] args) {float a = 3.66f, b = 6.47f;System.out.println("a number " + a);System.out.println("b number " + b);float temp = a;a = b;b = temp;System.out.println("After swapping");System.out.println("a number " + a);System.out.println("b number " + b);}}swap three variables in java without using temporary variable
// swap three variables in java without using temporary variable
public class SwapThreeNumbersWithoutTemp
{
static int num1, num2, num3;
public static void main(String[] args)
{
num1 = 30; num2 = 60; num3 = 90;
System.out.println("Before swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3);
swapWithoutTemporary();
System.out.println("After swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3);
}
static void swapWithoutTemporary()
{
num1 = num1 + num2 + num3;
num2 = num1 - (num2 + num3);
num3 = num1 - (num2 + num3);
num1 = num1 - (num2 + num3);
}
}Copyright © 2021 Codeinu
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