The String class is a built-in class in Java that belongs to the java.lang package. It is a final class, which means it cannot be inherited or modified by other classes. It is also an immutable ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks.

However, Java refers to class libraries as packages ... Let’s display the specification and implementation strings in the previously created testpkg.jar package file. To do that, execute ...

For writing any java program whether it is simple or complex the most commonly required classes and interfaces are grouped into a separate package which is nothing ... toString() method to provide our ...

The general contract of toString is that it returns a string that ... other objects or classes which are ready to be finalized, at which point the object may be discarded. The finalize method is never ...