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Core Java Interview Questions
Questions Answers Views Company eMail

What are the standards to place package statement within a source code file?

1 2216

What is the return type of read()?

3 4846

What is the return type of readLine() when end of a file is reached?

2 9848

What for read() function?

3 6628

What happens to the Exception object after handling an exception?

1430

What is stop(), suspend(), resume() method?

3 22736

What are MalformedURLException and UnknownHost Exceptions and whey they will be thrown?

2 2930

Under what circumstances an object reference be cast to an interface reference?

3 5951

When do you create an index?

1171

When does Exception occurs?

3 4194

In what circumstances, compiler will supply a default constructor for a class?

4 3944

When is an object in the mean to garbage collection?

3 4075

What are init(), start() methods and whey they are called?

2 6927

When finally clause is executed?

3 5277

When try and catch block is used ?

6 5460


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Un-Answered Questions { Core Java }

How do you convert int to char in java?

153


Where and how can you use a private constructor?

171


What is the difference between == and === javascript?

143


What is the difference between a static and a non-static inner class in java programming?

177


What is the purpose of garbage collection in java, and when is it used?

186






How many return statement are allowed in a function?

118


What is java reflection api?

158


Tell us something about an iterator.

176


Explain the advantages of packages in java?

164


What is a Presistent Object?

194


How do you compare two objects?

141


What Is Query Throttling in java?

190


design an lru cache in java?

175


How list contains works in java?

133


What is the purpose of void class?

181