Assignment 5: Pivot Strings

import java.util.Scanner;

public class Assignment5_WIP {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        System.out.println("Enter the first String: ");
        String string1 = scanner.nextLine();
        int lengthofall = string1.length();

        System.out.println("Enter the pivot String");
        String string2 = scanner.nextLine();

        Boolean flag = string1.contains(string2);

        if(string2 == null || flag == false) {
            System.out.println("Error: Pivot String not found.");

        }

        else {
            int indexof = string1.indexOf(string2);                                 //start of pivot string
            int lengthof = string2.length();                                        //total length of string
            String test = string1.substring(indexof, (indexof + lengthof));         //substring of only pivot

            String front = string1.substring(0, indexof);
            String back = string1.substring((indexof + lengthof) ,lengthofall );

            System.out.println(back + string2 + front);
        }





    }

}