Java String Pad Left leftPad(String input, int length, char pad)

Description

Left pad a string with the specified character, if the string length is less than the specified length.

License

Apache License

Parameter

Parameter	Description
input	a parameter
length	a parameter
pad	a parameter

Return

left-padded string

Declaration

public static String leftPad(String input, int length, char pad) 

Method Source Code

//package com.java2s;
/*// w ww  .j  a v  a 2 s.c om
 * Copyright 2011 gitblit.com.
 *
 * 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 {
    /**
     * Left pad a string with the specified character, if the string length is
     * less than the specified length.
     *
     * @param input
     * @param length
     * @param pad
     * @return left-padded string
     */
    public static String leftPad(String input, int length, char pad) {
        if (input.length() < length) {
            StringBuilder sb = new StringBuilder();
            for (int i = 0, len = length - input.length(); i < len; i++) {
                sb.append(pad);
            }
            sb.append(input);
            return sb.toString();
        }
        return input;
    }
}

Related

1. leftPad(String aStr, int aLen)
2. leftPad(String base, int length, char pad)
3. leftPad(String csIn, int nRequiredLength, char cFill)
4. leftPad(String in, char padding, int length)
5. leftPad(String input, char padding, int length)
6. leftPad(String inStr, int length, char paddingChar)
7. leftPad(String original, int length, char padChar)
8. leftPad(String s, char paddingCharacter, int length)
9. leftPad(String s, int l)