What are the Object and Class classes used for?

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The Object class is the highest-level class in the Java class hierarchy. The Class class is used to represent the classes and interfaces that are loaded by a Java program.

2012-08-08, 2142👍, 0💬

What is Serialization and deserialization?
What is Serialization and deserialization? Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring these objects. 2012-08-09, 2424👍, 0💬

What is a Java package and how is it used?
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to create a separate name space for groups of classes and interfaces. Packages are also used to organize related classes and interfaces into a single API unit and to control ac... 2012-08-08, 2358👍, 0💬

Is Java a super set of JavaScript?
Is Java a super set of JavaScript? No. They are completely different. Some syntax may be similar. 2012-08-13, 2334👍, 0💬

What is the ResourceBundle class?
What is the ResourceBundle class? The ResourceBundle class is used to store locale-specific resources that can be loaded by a program to tailor the program's appearance to the particular locale in which it is being run. 2012-08-07, 2319👍, 0💬

What is the difference between the File and RandomAccessFile classes?
What is the difference between the File and RandomAccessFile classes? The File class encapsulates the files and directories of the local file system. The RandomAccessFile class provides the methods needed to directly access data contained in any part of a file. 2012-08-06, 2264👍, 0💬

What interface must an object implement before it can be written to a stream as an object?
What interface must an object implement before it can be written to a stream as an object? An object must implement the Serializable or Externalizable interface before it can be written to a stream as an object. 2012-08-06, 2228👍, 0💬

How do you restrict a user to cut and paste from the html page?
How do you restrict a user to cut and paste from the html page? Using Servlet or client side scripts to lock keyboard keys. It is one of solutions. 2012-08-10, 2203👍, 0💬

Does the code in finally block get executed if there is an exception and a return statement in a catch block?
Does the code in finally block get executed if there is an exception and a return statement in a catch block? If an exception occurs and there is a return statement in catch block, the finally block is still executed. The finally block will not be executed when the System.exit(1) statement is execut... 2012-08-10, 2184👍, 0💬

Explain the usage of Java packages.
Explain the usage of Java packages. This is a way to organize files when a project consists of multiple modules. It also helps resolve naming conflicts when different packages have classes with the same names. Packages access level also allows you to protect data from being used by the non-authorize... 2012-08-09, 2183👍, 0💬

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