PROGRAMMING

Problem: For example, consider array A such that: A[0] = 1 A[1] = 3 A[2] = 2 A[3] = 1 A[4] = 2 A[5] = 1 A[6]...

PlayFair Cipher Java: Code : 1-----> PlayFair.java package com.nearur; import java.awt.*; public class PlayFair { priva...