swap function java
public static void swap(int[] a, int i, int j){
int temp = a[i];
a[i] = a[j];
a[j] = temp;
}swap function java
public static void swap(int[] a, int i, int j){
int temp = a[i];
a[i] = a[j];
a[j] = temp;
}Java program to swap two numbers using function
import java.util.Scanner;
// java swap function
public class SwapTwoNumberDemo
{
int numOne, numTwo;
public void swapNum(SwapTwoNumberDemo stn)
{
int temp;
temp = stn.numOne;
stn.numOne = stn.numTwo;
stn.numTwo = temp;
}
public static void main(String[] args)
{
SwapTwoNumberDemo obj = new SwapTwoNumberDemo();
try
{
Scanner sc = new Scanner(System.in);
System.out.println("First number : ");
obj.numOne = sc.nextInt();
System.out.println("Second number : ");
obj.numTwo = sc.nextInt();
obj.swapNum(obj);
System.out.println("After swapping - numOne : " + obj.numOne + ", numTwo : " + obj.numTwo);
sc.close();
}
catch(Exception ex)
{
System.out.println("Exception: " + ex.toString());
}
}
}java swap variables
// a, b can be a numeric value
a += b; // a = a + b
b = a - b; // b = (a + b) - b = a ---> b=a
a -= b; // a = (a + b) - (a) = b ---> a=bCopyright © 2021 Codeinu
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