Assignment 7: Methods Sampler Platter

package project;

import java.util.Scanner;

public class newassignment7 {


    public static String duplicate(String input1) {

        int dup = 0;
        if(input1.length()%2 == 0) {                                        //Checks if length is even
            dup = (input1.length()*input1.length())*2;                          //then multiply by itself and * 2
        }
        else {                                                              //If odd
            dup = input1.length()*input1.length();                              //multiply * itself
        }

        int c = 0;
        char[] newc = new char[dup];                                        //create new array of chars

        for(int i = 0; i < input1.length();i++) {                           //for loop runs # of times as the input

            for(int j = 0; j < (dup/input1.length());j++){                  //2nd loop runs how many time each char repeats

                newc[c] = input1.charAt(i);
                c++;                                                        //char at value

            }
        }

        System.out.print("The duplicated String is: ");
        for(int i = 0; i < newc.length;i++) {
            System.out.print(newc[i]);

        }
        return input1;
    }

    public static String isEdhesivePalindrome(String input2) {

        int flag = 0;

        if(input2.length() <3 || input2.length()>15) {                      //Checks for length
            flag = 1;
            //break;
        }

        char[] newc = new char[input2.length()];                            //Creates array of chars

        int c = 0;

        for(int i = 0; i < newc.length;i++) {
            newc[i] = input2.charAt(c);
            c++;

        }

        for(int i = 0; i < newc.length;i++) {                               //Changes all possible inputs

            if(newc[i] == '4') {
                newc[i] = 'a';
            }
            if(newc[i] == '3') {
                newc[i] = 'e';
            }
            if(newc[i] == '0') {
                newc[i] = 'o';
            }
        }


        String b = new String(newc);                                        //creates new string

        System.out.println('\n'+ "string: " + b + '\n');
        int half = b.length()/2;                                            //calculate half of the string

        for(int i = 0; i < half; i++) {                                     //first half comparison

            for(int j = b.length()-1; j > half; j--) {                      //second half comparison

                System.out.println(newc[i] + "compared to: " + newc[j] );       //debugging
                if(newc[i] != newc[j]) {                                    //if theyre not equal flag
                    flag = 1 ;
                    break;
                }

                i++;

            }

        }

        if(flag == 1 ) {

            System.out.println("Too bad, that isn't an Edhesive Palindrome.");
        }
        if(flag == 0) {

            System.out.println("Nice, you found an Edhesive Palindrome!");

        }
        return input2;

    }

    public static Double numberScramble(Double input3) {

        Double num = input3;
        double end = 0;

        if(num < 0) {
            end = 0.0;
            System.out.println("The scrambled number is: " + end);
        }
        else {

            num = num + 5;
            num = num /2;
            num = Math.sqrt(num);
            System.out.println("The scrambled number is: " + num);

        }

        return input3;
    }



    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        System.out.println("Welcome to the Methods Sampler Platter. Please enter a String to duplicate.");
        String input1 = scanner.nextLine();

        duplicate(input1);

        System.out.println('\n' + "Next, please enter a String to check for Edhesive Palindromes.");
        String input2 = scanner.nextLine().toLowerCase();

        isEdhesivePalindrome(input2);

        System.out.println("Almost done! Please enter a number to scramble.");
        double input3 = scanner.nextDouble();

        numberScramble(input3);



    }

}