Trim off trailing blanks but not leading blanks in Java
Description
The following code shows how to trim off trailing blanks but not leading blanks.
Example
// ww w. jav a2s . c om
public class Main {
public static void main(String[] argv) {
System.out.println(trimTrailing(" this is a test from java2s.com "));
}
/**
* Trim off trailing blanks but not leading blanks
*
* @param str
*
* @return The input with trailing blanks stipped off
*/
public static String trimTrailing(String str) {
if (str == null)
return null;
int len = str.length();
for (; len > 0; len--) {
if (!Character.isWhitespace(str.charAt(len - 1)))
break;
}
return str.substring(0, len);
} // end of trimTrailing
}
/*
*
* Derby - Class org.apache.derby.iapi.util.PropertyUtil
*
* 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.
*/
The code above generates the following result.
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