Write code to cut string from left
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; int len = 4; System.out.println(left(str, len)); }//from w ww . ja v a 2 s .co m private static final String EMPTY = ""; public static String left(String str, int len) { if (str == null) { return null; } if (len < 0) { return EMPTY; } if (str.length() <= len) { return str; } return str.substring(0, len); } }