Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String extractSubstring(String string, int n) {
        int index = string.indexOf("|");
        while (n > 0) {
            if (index == -1)
                return (n == 0 ? string : null);
            n--;
            string = string.substring(index + 1);
            index = string.indexOf("|");
        }
        return (index == -1 ? string : string.substring(0, index));
    }
}