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Java J2EE Interview Questions
Questions Answers Views Company eMail

How many types of packages are there in Java?

 5 577

Explain different data types in Java.

 5 526

Can we declare Pointer in Java?

 5 565

What is the default value stored in Local Variables?

 5 539

Difference in the use of print, println, and printf.

 5 490

Is it possible to make an array volatile?

 4 574

What is an object-oriented paradigm?

 5 547

What are the Memory Allocations available in JavaJava?

 1 339

What is a singleton class in Java? And How to implement a singleton class?

 2 370

Can you explain the Java thread lifecycle?

 1 394

In the below Java Program, how many objects are eligible for garbage collection?

 1 420

What is JDK? Mention the variants of JDK?

 1 338

What are Brief Access Specifiers and Types of Access Specifiers?

 1 354

Explain Method Overloading in Java.

 1 379

Give a briefing on the life cycle of a thread.

 1 356

Un-Answered Questions { Java J2EE }

What about main thread in java?

854

What does pojo mean?

251

Is j2ee a framework?

681

What is final, finally, finalize?

789

Is jdbc part of j2ee?

737

What is the maximum size of hashmap in java?

734

What is Apache DBCP API?

756

What is the difference between multiple processes and multiple threads?

780

What is web content management system (wcms)?

623

What is internal variable?

728

What is the use of @qualifier annotation?

244

Is hibernate better than jdbc?

242

What is @autowired annotation in spring?

297

Explain the difference between ioc and di?

268

How may messaging models do JMS provide for and what are they?

1144

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