Java String Trim Left leftTrim(String str)

Description

left Trim

License

Apache License

Parameter

Parameter	Description
str	a parameter

Declaration

public static String leftTrim(String str) 

Method Source Code

//package com.java2s;
/*// w w w  .  j av a 2  s. co  m
 * Copyright 2014 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.
 *
 * Create Date : 2014-7-11
 */

public class Main {

    public static String leftTrim(String str) {
        if (isEmpty(str))
            return str;

        char[] charArray = str.toCharArray();
        int length = charArray.length;
        int start = 0;
        while ((start < length) && (charArray[start] <= ' '))
            start++;

        return str.substring(start);
    }

    public static boolean isEmpty(String str) {
        return str == null || str.length() == 0;
    }

    public static int length(String str) {
        return str != null ? str.length() : 0;
    }
}

Related

1. leftTrim(final String input)
2. leftTrim(final String input, final char charToTrim)
3. leftTrim(String input, char charToTrim)
4. leftTrim(String rawString)
5. lefttrim(String str)
6. leftTrim(String str)
7. leftTrim(String string)
8. leftTrim(String value)
9. leftTrim(StringBuilder pStringBuilder)