JAVA beginner\'s questions. 1.What is the JVM? Explain it relationship to compil
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Question
JAVA beginner's questions.
1.What is the JVM? Explain it relationship to compiling and running Java programs. Be sure to discuss platform independence.
2. Benefits of object oriented programs.
3. Explain the Fetch Decode Execute Cycle
4.Discuss how Floating Point numbers are Stored
5.Discuss how integers are stored (be able to add binary numbers)
6.Discuss what Floating Point inaccuracy is and its impact.
7.What is Sign Extension. Where and when is it used?
8.Can the JVM add a double and an int? Explain fully.
9.What is the Program Counter How does it relate to conditional, loops, and methods?
Explanation / Answer
Please find my answer for Q1 and Q2.
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Q1..What is the JVM? Explain it relationship to compiling and running Java programs. Be sure to discuss platform independence.
JVM is the main component of Java architecture and it is the part of the JRE (Java Runtime Enviroment) . It provides the cross platform functionality to java. This is a software process that converts the compiled Java byte code to machine code. Byte code is an intermediary language between Java source and the host system. Most programming language like C and Pascal converts the source code into machine code
JVMs are available for many hardware and softwareplatforms. The use of the same bytecode for all JVMs on all platforms allows Java to be described as awrite once, run anywhereprogramming language, versuswrite once, compile anywhere, which describes cross-platformcompiled languages. Thus, the JVM is a crucial component of theJava platform.
Java bytecode is anintermediate languagewhich is typically compiled from Java, but it can also be compiled from other programming languages. For example,Adasource code can be compiled to Java bytecode and executed on a JVM.
Q2. Benefits of object oriented programs.
The benefits of the object oriented programming in Java is as follows:
Hence, these are the advantages of Object Oriented Programming Language in Java.
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