jodd-core/src/main/java/jodd/util/ArraysUtil.java
public static <T> T[] append(T[] buffer, T newElement) {
		T[] t = resize(buffer, buffer.length + 1);
		t[buffer.length] = newElement;
		return t;
	}
public static <T> T[] append(T[] buffer, T newElement) {
		T[] t = resize(buffer, buffer.length + 1);
		t[buffer.length] = newElement;
		return t;
	}
Appends an element to array.