`import java.util.Scanner;
class MyString {
  String s;

MyString() {
    s = "";
}

MyString(String str) {
    s = str;
}

void setMyString (String str) {
    s = str;
}

String getMyString() {
    return s;
}

//return the index within this.s of the first occurrence of s.
//return -1 when s is not found on this.s.
//if this.s = "aabababb", s = "aba", return 1
//if this.s = "aabababb", s = "abaa", return -1
int indexOf(String s) {
    int i=0;
    for(i = 0; i < this.s.length()-s.length(); i++) {
        for (int j = 0; j < s.length(); j++) {
            if(this.s.charAt(i+j) == s.charAt(j)) {
                i++;
            }
            else
                i=-1;
            break;
        }
    }
    return i; //going from end of string to beginning, needs fixed
}

//return the index within this.s of the last occurrence of s.
//return -1 when s is not found on this.s.
//if this.s = "aabababb", s = "aba", return 3
 //if this.s = "aabababb", s = "abaa", return -1
// int lastIndexOf(String s) {
 //   for (int i=this.s.length(); i >=0; i--) {
   //     for (int j = s.length(); j>= 0; j--) {

}

public class Lab8 {
public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    MyString myS = new MyString();

    String s1, s2;// inputs

    System.out.print("Enter string 1:");
    s1 = in.nextLine();
    System.out.print("Enter string 2:");
    s2 = in.nextLine();

    myS.setMyString(s1);

    int p = myS.indexOf(s2);
    if(p==-1)
        System.out.println(s2+" not found on "+myS.getMyString());
    else
        System.out.println(s2+" found at "+p+" on "+myS.getMyString());

    p = myS.lastIndexOf(s2);
    if (p == -1)
        System.out.println(s2+" not found on "+myS.getMyString());
    else
        System.out.println(s2+" found at "+p+" on "+myS.getMyString());
}