Java String Trim Left ltrim(String str)

Description

ltrim

License

Apache License

Declaration

public static String ltrim(String str) 

Method Source Code

//package com.java2s;
/*/*from www.jav  a  2 s.co  m*/
 * Copyright 2002-2015 by bafeimao.net
 *
 * 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 str) {
        if (!hasLength(str)) {
            return str;
        }
        StringBuilder sb = new StringBuilder(str);
        while (sb.length() > 0 && Character.isWhitespace(sb.charAt(0))) {
            sb.deleteCharAt(0);
        }
        return sb.toString();
    }

    public static boolean hasLength(CharSequence str) {
        return (str != null && str.length() > 0);
    }
}

Related

1. ltrim(String source)
2. ltrim(String source)
3. ltrim(String src, char ch, int nLen)
4. ltrim(String str)
5. ltrim(String str)
6. ltrim(String str)
7. ltrim(String str, String charList)
8. ltrim(String str, String defaultValue)
9. ltrim(String text, char c)