Java String Pad Left lpad(String input, char padding, int length)

Description

Padds the string to the left with the given character for the specified length.

License

Apache License

Parameter

Parameter	Description
input	The input string.
padding	The char used for padding.
length	The length of the new string.

Return

The padded string.

Declaration

public static String lpad(String input, char padding, int length) 

Method Source Code

//package com.java2s;
/*/*www. j  a va  2s .c om*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 {
    /**
     * Padds the string to the left with the given character for
     * the specified length.
     * @param input The input string.
     * @param padding The char used for padding.
     * @param length The length of the new string.
     * @return The padded string.
     */
    public static String lpad(String input, char padding, int length) {

        if (input == null) {
            input = new String();
        }

        if (input.length() >= length) {
            return input;
        } else {
            StringBuffer result = new StringBuffer();
            int numChars = length - input.length();
            for (int i = 0; i < numChars; i++) {
                result.append(padding);
            }
            result.append(input);
            return result.toString();
        }
    }
}

Related

1. lpad(int length, long number)
2. lpad(int maxDigits, long val)
3. lpad(int value, int padLen, char padChar)
4. lpad(Object str, int len, String padding)
5. lpad(String base, int len, String pad)
6. lpad(String input, int length)
7. lpad(String input, String padChar, int finalLength)
8. lPad(String input, String replace, int length)
9. lpad(String s, char addChar, int length)