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 is life cycle of applet?

9 16872

how to pass the parameters to applets?

1 4597

what is meant by multicast?

1 4887

Tell me the Importent classes in net package?

2013

what is meant by serialization?

7 16409

static inner classes means..?

1 4694

Adapter classes?

3 7639

what is collatration?

3299

How java is platform independent?

College School Exams Tests, Infosys, TCS,

41 86150

why the primitive data type have classes?

4 9597

what is inner class?

HCL,

6 17329

why the abstract class has default constructor?

2 11268

can we declare private class in java file?

13 64403

what is meant by string pooling?

Oracle, Polaris, Tribal Fusion, Wipro,

12 40727

heavy components means what?

4 7175

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Un-Answered Questions { Core Java }

What is a parameter in a function?

1007

What are sets in java?

957

how we can create packages in java?

986

What is percentage in java?

1020

How to overcome the exception object reference not set to an instance of object?

1165

Name few "optional" classes introduced with java 8 ?

1151

What do you mean by order of precedence and associativity?

961

Explain purpose of sleep() method in java?

1135

What is final, finally, finalize?

1126

Why is singleton instance static?

1012

Is 0 a real number?

1063

What does .equals do in java?

1116

Can we have try without catch block?

1101

What is 16 bits called?

959

How does a for loop work java?

1057

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