In this section you can learn and practice Aptitude (Questions with Answers) to improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.
XtraStudy provides you lots of fully solved Aptitude questions and answers with explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. You can view the solutions for the problems with feel and good user interface.
You can easily solve all kind of questions based on Aptitude by practicing exercise given in this APTITUDE section.
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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)
Java 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.
Java 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.
Java uses Just-In-Time compiler to enable high performance. Just-In-Time compiler is a program that turns Java bytecode, which is a program that contains instructions that must be interpreted into instructions that can be sent directly to the processor.
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.