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scratchyourbrain/Java Program to Swap Two Numbers (Using Temporary Variable)

Created January 21, 2015 14:05
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  1. scratchyourbrain created this gist Jan 21, 2015.
    21 changes: 21 additions & 0 deletions Java Program to Swap Two Numbers (Using Temporary Variable)
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    import java.io.*;
    import java.util.*;

    class swap
    {
    public static void main(String args[])
    {
    Scanner s = new Scanner(System.in);
    System.out.print("Enter two numbers : ");
    int m = s.nextInt();
    int n = s.nextInt();
    int temp;
    System.out.println("BEFORE SWAP");
    System.out.println("m = " + m + " n = " + n);
    temp = n;
    n = m;
    m = temp;
    System.out.println("AFTER SWAP");
    System.out.println("m = " + m + " n = " + n);
    }
    }
    21 changes: 21 additions & 0 deletions Java Program to Swap Two Numbers (Without using Temporary Variable)
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    import java.io.*;
    import java.util.*;

    class swap
    {
    public static void main(String args[])
    {
    Scanner s = new Scanner(System.in);
    System.out.print("Enter two numbers : ");
    int m = s.nextInt();
    int n = s.nextInt();
    int temp;
    System.out.println("BEFORE SWAP");
    System.out.println("m = " + m + " n = " + n);
    m = m + n;
    n = m - n;
    m = m - n;
    System.out.println("AFTER SWAP");
    System.out.println("m = " + m + " n = " + n);
    }
    }