Write code to get substring from start offset
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; int start = 2; System.out.println(substring(str, start)); }//w w w . j a v a2 s . c om public static String substring(String str, int start) { if (str == null) return null; if (start < 0) start = str.length() + start; if (start < 0) start = 0; if (start > str.length()) return ""; else return str.substring(start); } public static String substring(String str, int start, int end) { if (str == null) return null; if (end < 0) end = str.length() + end; if (start < 0) start = str.length() + start; if (end > str.length()) end = str.length(); if (start > end) return ""; if (start < 0) start = 0; if (end < 0) end = 0; return str.substring(start, end); } }