Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What are static initalizers in java ?

1030

What about interrupt() method of thread class ?

1091

Explain notify() method of object class ?

1124

What about abstract classes in java?

1083

What about main thread in java?

1137

I want to persist data of objects for later use. What’s the best approach to do so?

952

What about main() method in java ?

1033

What is a local class in java?

1058

What about features of local inner class?

1083

Can we instantiate interface in java?

1149

Which api is provided by java for operations on set of objects?

1486

What access modifiers can be used for variables?

1167

Explain wait() method of object class ?

1241

Can we cast any other type to boolean type with type casting?

969

What about interthread communication and how it takes place in java?

1075

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Un-Answered Questions { Core Java }

whatis Home interface and Remoteinterface? with example?

2017

What is a function in java?

1045

What is finally and finalize in java?

1106

What is the difference between applet and application?

1029

What are local variables?

1061

What if I write static public void instead of public static void in java?

1103

What are the three best choices for a development environment?

1136

Is java call by reference?

990

What is garbage collection? Can it be forced to run?

1023

What are parameters in a method?

1123

How will you communicate between two applets?

1179

Discuss 2D arrays.

1061

What is the use of generics? When was it added to the Java development Kit?

1034

What is callable java?

992

What is a protected void?

947

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