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 are variable arguments or varargs?

1001

What is number data type in java?

1011

What is java basic concept?

1036

How many types of operators are there?

981

What does || || mean in math?

936

Can an integer be a string?

1058

Why do we use regex?

1020

How many bytes is a string in java?

992

Can bool be null?

984

Is object a data type in java?

1107

What does a boolean method return?

1230

What is integer size in java?

1018

How many types of array are there?

1005

Is string is a data type?

943

What does regex mean?

1011

Un-Answered Questions { Java J2EE }

What is strategy in hibernate?

421

What are the spring components?

452

What is the difference between sendredirect() and forward() in a servlet?

1015

What is math in java?

1058

Define Context?

1062

What is meant by custom tags?

970

What are the benefits of spring boot? : Spring Boot

473

What is the purpose of a default constructor?

1097

What is the difference between applet and application?

1012

What is vector capacity in java?

1082

What is spring jdbctemplate class and how to use it?

472

Explain the core end goal while using java struts?

938

What is @required annotation in spring?

444

Explain creating threads by implementing runnable class?

1165

Since we can create managed bean by two ways as, we can define the bean name in faces-config.xml file so that page can use that OR we can write annotation on bean class so that it is automatically assign to page but I want to know which one is good programming practice ? And also mention disadvantage of other which should not prefer ... Thanking you...

2276

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