Session 4 Test has these questions
Java Features
What is the incorrect statement about Java?
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A.
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Java supports other features like Multi Threading, Object Oriented, Robust apart from Applets, Security and Portability
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B.
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Java is very complex and it will be difficult to learn even for experienced programmers in C/C++
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C.
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Java is Architecture Neutral, so it supports code longevity and portability
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D.
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Java is dynamic, which means small portions of the code can be modified while the program is running. We need not bring down the system, to make minor changes.
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Java Features342
What is the incorrect statement about Java
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A.
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Java is robust and has strict type checking, good memory management and good exception handling framework
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B.
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Java is code compatible with C/C++. Any code written in C/C++, can be compiled using java with out any modification.
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C.
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Java is designed for distributed environment of the internet and can run programs using Remote Method Invocation (RMI).
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D.
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Java supports Multi Threading and has very good libraries to make the synchronization easier
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Java Features343
Identify the incorrect statement about Java's features
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A.
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Java was developed from scratch and since it did not have any dependency,
it arrived at a very good design
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B.
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Java uses JIT (Just In Time) Compiler to improve the run-time performance
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C.
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Java does not support multi threading and all tasks have to be run serially one after another.
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D.
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Memory Management in Java is totally done by the JVM and so mistakes with allocation and de-allocation of memory are completely avoided.
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Bytecode
What is the incorrect statement about bytecode
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A.
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Java when compiles the source code, it converts it to bytecode
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B.
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JVM (Java Virtual Machine) is an interpreter of bytecode
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C.
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Bytecode is not portable and it needs to be compiled separately for each platform
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D.
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JVM offers a protected environment which helps in enhanced safety for the system
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