Write code to trim Prefix
//package com.book2s; public class Main { public static void main(String[] argv) { String text = "abook2s.com"; String prefix = "a"; System.out.println(trimPrefix(text, prefix)); }/* w ww.ja v a2 s. c o m*/ public static final String trimPrefix(final String text, final String prefix) { if (text == null) { return null; } if (prefix == null) { return text; } if (text.startsWith(prefix)) { return text.substring(prefix.length()); } return text; } public static boolean startsWith(final String text, final String fragment) { return startsWithIgnoreCase(text, fragment); } public static boolean startsWithIgnoreCase(final String target1, final String target2) { if (target1 == null || target2 == null) { return false; } int length1 = target1.length(); int length2 = target2.length(); if (length1 < length2) { return false; } String s1 = target1.substring(0, target2.length()); return s1.equalsIgnoreCase(target2); } public static boolean equalsIgnoreCase(final String target1, final String target2) { return (target1 == null) ? (target2 == null) : target1 .equalsIgnoreCase(target2); } }