The only way to use a specific method in your polymorphic subclass is by using casting. It’s possible to design a powerful structure in your code using polymorphism. Take the Java polymorphism ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Topics Spotlight: New Thinking about Cloud Computing ...

You can quickly and easily correct this Java method modifier issue based on how soon you can refactor. Then, it just comes down to which method you want to use. Let's explore two options on how to fix ...

Java Wrapper's getClass() method now return a Wrapper of java.lang.Object, which can not invoke java.lang.Class's method, such as getName()/getClassLoader(). It must be explicitly cast to a wrapper of ...

Casting down to a smaller data type is an unsafe cast because it has the potential for losing precision. However, most Java developers are rarely satisfied without being told why, so despite the fact ...