jodd-core/src/main/java/jodd/util/StringUtil.java
public static void trimDownAll(final String... strings) {
		for (int i = 0; i < strings.length; i++) {
			String string = strings[i];
			if (string != null) {
				strings[i] = trimDown(string);
			}
		}
	}
public static void trimDownAll(final String... strings) {
		for (int i = 0; i < strings.length; i++) {
			String string = strings[i];
			if (string != null) {
				strings[i] = trimDown(string);
			}
		}
	}
Trims array of strings where empty strings are set to <code>null</code>.
<code>null</code> elements of the array are ignored.
@see #trimDown(String)