This page contains the source code of Java String trimTrailingWhitespace() utility method - Trim trailing whitespace from the given String.
Java trimTrailingWhitespace() Utility Method
The following trimTrailingWhitespace() utility method trim trailing whitespace from the given String:
package com.javaguides.strings.utils;
public class StringTrimUtil {
/**
* Trim trailing whitespace from the given {@code String}.
* @param str the {@code String} to check
* @return the trimmed {@code String}
* @see java.lang.Character#isWhitespace
*/
public static String trimTrailingWhitespace(String str) {
if (!hasLength(str)) {
return str;
}
StringBuilder sb = new StringBuilder(str);
while (sb.length() > 0 && Character.isWhitespace(sb.charAt(sb.length() - 1))) {
sb.deleteCharAt(sb.length() - 1);
}
return sb.toString();
}
public static boolean hasLength(String str) {
return (str != null && str.length() > 0);
}
}
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