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Java Interview Questions


1)What is java?

java is a high-level programming language originally developed by Sun        Microsystems and released in 1995

2)What Are the major features of Java?

The major features include Object Oriented, Platform Independent, Robust, Interpreted, Multi-threaded

3)What is Platform?

A platform is basically the hardware or software environment in which a program runs. There are two types of platforms software-based and hardware-based. Java provides software-based platform.

4)why java is different from other platform?

The Java platform differs from most other platforms in the sense that it's a software-based platform that runs on top of other hardware-based platforms.It has two components:
1.     Runtime Environment
2.     API(Application Programming Interface)

5)Why java is called WORA?

The bytecode. Java is compiled to be a byte code which is the intermediate language between source code and machine code. This byte code is not platform specific and hence can be fed to any platform.

6)Why Java is architecturally neutral?

It’s compiler generates an architecture-neutral object file format, which makes the compiled code to be executable on many processors, with the presence of Java runtime system.

7)Why Java is considered to be dynamic?

It is designed to adapt to an evolving environment. Java programs can carry extensive amount of run-time information that can be used to verify and resolve accesses to objects on run-time
.
8)Name some Keywords in java?

Netbeans, Eclipse, etc.

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