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Frequently Asked Java interview questions and answers for freshers Page 14

(#M40018927) JAVA QUESTION Advanced JAVA questions Keep an EYE

What is servlet collaboration?

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(#M40018820) JAVA QUESTION JAVA QUESTIONS Keep an EYE

How can two threads be made to
communicate with each other?

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(#M40018862) JAVA QUESTION JAVA QUESTIONS Keep an EYE

What is the difference between Collection and Collections?

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(#M40018875) JAVA QUESTION JAVA QUESTIONS Keep an EYE

What is the difference between StringBuffer and StringBuilder ?

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(#M40029422) JAVA QUESTION java Keep an EYE

Q. What is JIT and its use?

A. Really, just a very fast compiler In this incarnation, pretty much a one-pass compiler - no offline computations. So you can't look at the whole method, rank the expressions according to which ones are re-used the most, and then generate code. In theory terms, it's an on-line problem

Asked In Java MAN (12 years ago)

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(#M40029407) JAVA QUESTION java Keep an EYE

Q. What are Encapsulation, Inheritance and Polymorphism?

A. Encapsulation is the mechanism that binds together code and data it manipulates and keeps both safe from outside interference and misuse. Inheritance is the process by which one object acquires the properties of another object. Polymorphism is the feature that allows one interface to be used for general class actions.

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(#M40029429) JAVA QUESTION java Keep an EYE

Q. What is the List interface?

A. The List interface provides support for ordered collections of objects. Lists may contain duplicate elements.

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(#M40018792) JAVA QUESTION JAVA QUESTIONS Keep an EYE

Why Java does not support pointers?

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(#M40029390) JAVA QUESTION java Keep an EYE

Question. What do you mean by platform independence?
Answer. Platform independence means that we can write and compile the java code in one platform (eg Windows) and can execute the class in any other supported platform eg (Linux,Solaris,etc).

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(#M40018791) JAVA QUESTION JAVA QUESTIONS Keep an EYE

What is the difference between an
Abstract class and Interface?

Asked In Java (12 years ago)

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