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

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is command line argument

TCS,

1254

What is the difference between delete and delete[]

Amazon,

3 1664

What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?

1183

What is the purpose of the System class?

1052

Explain about oops concepts.

Aditi Placement Service,

1184

Difference between string s= new string (); and string s = "abv";?

Cap Gemini,

1272

Explain about complier design(phases)

Aditi Placement Service,

1143

Explain about doubly linked list

Aditi Placement Service,

1109

What is compiler and what its output.

Cognizant,

1206

What is runtime locatable code?

Cognizant,

1512

What restrictions are placed on method overriding?

1258

What is an array in java?

1304

Explain how can you debug the Java code?

BirlaSoft,

1126

Explain the difference between an Interface and an Abstract class?

BirlaSoft,

1244

Explain the purpose of garbage collection in Java?

BirlaSoft,

1089

Un-Answered Questions { Java J2EE }

Can we call multiple controller commands from a jsp?

878

What are the 5 types of research methods?

1204

What is hibernate and its advantages?

446

Name three component subclasses that support painting?

1132

What is jms full form?

937

Can we change the scope of the overridden method in the subclass?

1477

What is the nm?

1061

What is spring jpa?

437

Why is spring light weight?

541

how many jsp scripting elements are there and what are those?

1069

Describe the phases of servlet lifecycle?

1139

What’s a deadlock?

1162

What is stateless authentication?

1202

What is the use of using enum to declare a constant?

1090

What is the purpose of @conversion?

1224

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