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

Core Java Interview Questions

Questions Answers Views Company eMail

Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

1142

What is JFC?

1340

What are the files generated after using IDL to java compiler?

1228

What is meant by distributed application? Why are we using that in our application?

1005

Tell some latest versions in JAVA related areas?

1052

What is the difference between Grid and Gridbaglayout?

1358

Why java is considered as platform independent?

1061

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

1079

What is a JAR file?

1112

Explain about version control?

1105

What are Normalization Rules? Define Normalization?

1122

What is the mapping mechanism used by java to identify IDL language?

1057

What is the functionability stubs and skeletons?

1218

What are adapter classes?

1118

What are byte codes?

1313

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Un-Answered Questions { Core Java }

Can abstract class have private constructor?

997

Is java a utf 8 string?

1028

What is jagged array in java?

1168

State one difference between a template class and class template.

1131

What is n in java?

1004

What is difference between iterator and enumeration in java?

1042

How to handle a web browser resize operation?

1147

Are generics important java?

1052

Can we pass a primitive type by reference in java? How

990

Can a list be null in java?

1119

What is complexity and its types?

1112

Why inputstreamreader is used in java?

1063

Explain the difference between comparator and comparable in java?

1032

What are different types of expressions?

1201

How can a gui component handle its own events in java programming?

1095

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