Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What is a instance variable in java?

1064

What is the role of garbage collector in java?

983

How many types of gc are there in java?

1007

Why are functions called methods in java?

1019

Does java have extension methods?

999

What is extension method in java?

1058

What is the file extension for java?

1092

Can we start a thread twice in java?

997

How do you join strings in java?

1064

How do you stop a thread in java?

1079

Is alive and join method in java?

1195

Is alive in java?

968

Is namespace same as package in java?

1002

What are predicates in java 8?

1036

What are streams in java 8?

1017

Un-Answered Questions { Java J2EE }

Can we have static methods in an interface?

1069

What are the ways in which a thread can enter the waiting state?

959

Why does the integer quotient -0/3 yield 0, but the double quotient -0.0/3.0 yields – 0.0?

1060

What is web.xml ?

977

What is chat area? Explain.

1035

Explain the difference between serializable and externalizable in java?

1089

What does provide mean construction?

1120

What is enterprise bean?

997

What is use of @repository in spring?

455

Difference between filesystemresource and classpathresource.

458

How many bytes is a char in java?

1032

Can an object be null?

986

Can constructor be inherited?

1054

What is a policy?

2318

Given a singly linked list, how will you print out its contents in the reverse order? Can you do it with consuming any extra space?

1001

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