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Java J2EE Interview Questions
Questions Answers Views Company eMail

Explain what is Marker interface?

BirlaSoft,

1090

Give few examples of final classes defined in Java API?

BirlaSoft,

1204

How is the marker interface used in Java?

BirlaSoft,

1100

Java is Pass by Value or Pass by Reference?

BirlaSoft,

1045

When is the garbage collection used in Java?

BirlaSoft,

1202

what is meant by Garbage collection?

Cap Gemini,

1094

what is meant by HQL?

Cap Gemini,

1071

How many types of literals are there in JAVA?

Cap Gemini,

1047

Where is the singleton class used?

Cap Gemini,

1031

why Java does not support multiple inheritances?

Aspire,

1160

give an example for encapsulation?

Aspire,

1049

Explain the pointers in Java?

Aspire,

1052

what is meant by Byte code concept in Java?

Aspire,

1070

what is meant by abstract class?

Aspire,

1127

what is meant by encapsulation?

Aspire,

1085

Un-Answered Questions { Java J2EE }

What is jar?

1120

How do you find out what client machine is making a request to your servlet

1062

what is nested class in java?

1175

what are the types of trees?

972

Explain the difference between an object-oriented programming language and object-based programming language?

986

What are the 3 different ways of installing a portlet application in websphere portal ?

938

How do you find the maximum number from an array without comparing and sorting?

1123

Mention some interfaces implemented by linked list in java.

1022

Is servlet a server side scripting language?

1141

What is the role of java swing?

959

What is a list in java?

946

What is servlet container?

1118

What does string mean in java?

1108

Is java a utf 8 string?

976

Define persistent classes.

609

For More Un-Answered { Java J2EE } Questions Click Here