Latihan Soal: Struktur Data - Farhan Rivaldy 2111003

CharReverseJava.java

import java.util.Scanner;
import java.util.Stack;

public class CharReverseJava {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("Input Kata : ");
        String kata = input.nextLine();
        Stack stack = new Stack();

        for (int i = 0; i < kata.length(); i++){
            stack.push(kata.charAt(i));
        }

        String reverseKata = "";
        while (!stack.isEmpty()){
            reverseKata += stack.pop();
        }

        System.out.println(reverseKata);
    }
}

FaktorialJava.java

import java.util.Scanner;
import java.util.Stack;

public class FaktorialJava {
    public static void main(String[] args) {

        int initFactorial = 1;
        Scanner input = new Scanner(System.in);
        System.out.println("Input Angka : ");
        int angka = input.nextInt();
        int counter = angka;
        Stack<Integer> stack = new Stack<Integer>();

        for (int i = 0; i < counter; i++){
            stack.push(angka--);

        }

        System.out.println("Faktorial dari : " + counter +  " " +  stack);

        for (int j = 0; j < counter; j++){
            initFactorial *= stack.pop();
        }
        System.out.println(initFactorial);

    }
}

StringReverseJava.java

import java.util.Scanner;
import java.util.Stack;

public class StringReverseJava {
    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        System.out.println("Input Kalimat : ");

        String kalimat = input.nextLine();
        String[] words = kalimat.split(" ");
        Stack stack = new Stack();

        for (int i = 0; i < words.length; i++){
            stack.push(words[i]);
        }

        while (!stack.isEmpty()){
            String reverseKalimat = (String) stack.pop();
            System.out.print(reverseKalimat + " ");

        }

    }
}