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

Can an interface have a class?

1018

Is it possible to instantiate the abstract class?

967

What are the differences between stringbuffer and stringbuilder?

1075

What are the advantages of encapsulation in java?

1026

What are the restrictions that are applied to the java static methods?

1005

Can you declare an interface method static?

1074

What are the advantages of java inner classes?

1083

Will the jvm load the package twice at runtime?

1112

Can we make constructors static?

1251

If I don't provide any arguments on the command line, then what will the value stored in the string array passed into the main() method, empty or null?

1269

What are autoboxing and unboxing? When does it occur?

977

What are the main uses of this keyword?

1078

What is the purpose of using javap?

1121

Can this keyword be used to refer static members?

1038

Why is method overloading not possible by changing the return type in java?

1015

Un-Answered Questions { Java J2EE }

What is the integer of 16?

992

How to connect to a remote database using Applet?

2561

What is sync in websphere application server?

997

Explain the locking system in jdbc & its types?

1004

What is a variable declaration?

996

What class is the top of the awt event hierarchy?

1120

Explain the Propertie sof class?

1070

What is java spring boot used for? : Spring Boot

490

Why do you use a data source object for a connection?

1040

What are Struts2 core components?

1022

What is 2 stands for in j2ee?

990

What is the root element for the hibernate mapping file?

441

What is annotationconfigwebapplicationcontext?

445

Is java still slow?

937

What are the different types of bean injections?

451

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