在工具類中的構造器中拋出UnsupportedOperationException
private ScreenUtils() {
/* cannot be instantiated */
throw new UnsupportedOperationException("cannot be instantiated");
}
在工具類中的構造器中拋出UnsupportedOperationException
private ScreenUtils() {
/* cannot be instantiated */
throw new UnsupportedOperationException("cannot be instantiated");
}