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Core Java Interview Questions
Questions Answers Views Company eMail

What are command line arguments?

3 3706

What are order of precedence and associativity, and how are they used?

1 5298

What are the OOPS concepts in Java ?

Satyam,

4 8992

What are the Object and Class that classes used for?

Mphasis,

3 5613

What are access modifiers in Java ?

6 6528

What are the advantages of the model over the event- inheritance model?

1 4751

What are the common problems you have faced while implementing Java?

IBM,

1 5437

Name the components that are termed to be Heavy-weight component but available in Light-weight components?

1645

Different types of Layouts?

11 30315

Different types of modifiers?

RoboCom,

8 9636

What are the interfaces defined by Java.lang package?

1 5853

What are the operands of instanceof operator?

3 3131

methods in Applet?

1 2952

What are other modifiers?

Wipro,

2 2977

Name the packages in JDK?

2 6662


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Un-Answered Questions { Core Java }

Implement a stack with push (), pop() and min() in O(1) time.

212


How big is a 32 bit integer?

157


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

183


If try block is successfully executed, Then Is Finally block executed?

215


Is there is any difference between a scrollbar and a scrollpane?

170






how is final different from finally and finalize in java?

210


Can I override protected method in java?

155


Why collection doesn’t extend cloneable and serializable interfaces?

182


what is encapsulation in java? Explain

159


What do you mean by light weight and heavy weight components?

194


What is public static void main?

145


Can you declare an interface method static?

160


Can we override the static method?

173


Write a code to show a static variable?

175


Explain reverse a linked list recursive java solution?

180