Here you can find the source of ltrim(String s)
public static String ltrim(String s)
//package com.java2s; /*/* w w w.j a va 2 s. co m*/ * Copyright 2004-2005 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static String ltrim(String s) { StringBuffer buffer = new StringBuffer(); char[] chars = s.toCharArray(); for (int i = 0; i < chars.length; i++) { char c = s.charAt(i); if (c != ' ') { buffer.append(chars, i, chars.length - i); break; } } return buffer.toString(); } }