string1

import java.util.Scanner;

public class Tugas1 {

    public static void letakKarakter(String text, char karakter) {
        String hasil="";
        for (int i = 0; i < text.length(); i++) {
            if(text.charAt(i) == karakter){
                hasil+=i+",";
            }
        }
        if(hasil.length()>0){

            if(hasil.charAt(hasil.length()-1)==','){
                hasil = hasil.substring(0, (hasil.length()-1));
            }
            System.out.println("Karakter "+karakter+" terdapat pada index "+hasil);
        }else
            System.out.println("Karakter "+karakter+" tidak ditemukan");
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("Kalimat\t: ");
        String kalimat = input.nextLine();
        System.out.print("Karakter: ");
        char karakter = input.nextLine().charAt(0);
        letakKarakter(kalimat, karakter);
    }
}