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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is the use of collections in java? How it is implemented in real time applications?

2 12586

1) what is synchronization? 2)write a program to show synchronization ? 3) what is orm? 4) what is getTemplete method and hw u use it? 5)write a singleton program ? 6) what is IOC concept & explain it? 7) methods of spring? 8)explain spring framework? 9)what are the oops concept? 10)what r the diff types of exception? 11)what is AOP(assepct oriented programing)? 12)jsp life cycle? 13)servlet life cycle? 14)how to u catch ur exception when executing a query in hibernate? 15)write javascript function? 16)write a querry to join two tables? 17)wap to show inheritance and use of interface? 18)explain the project? 19)in spring bean class uses singleton or prototype? 20)Explain prototype?

Cap Gemini,

1 7501

What is the difference between Logical Parallelism and Physical Parallelism?

HCL,

3400

1.) if we use "private" in place of "public" in public static void main()... 2.) if we use "int" in place of "void".... 3.) can we ommit "static" keyword from that statement.... 4.) also can we give the command line arguments type as int type or float,etc.(.i.e (string args[]))

1 6716

can i modify the data which are generated by the servlet

4 6658

WHAT IS THE SCOPE FOR COREJAVA...? IS JAVA ONLY CORE JAVA ?

2 9706

difference between jsp and java script?

3 5781

When you declare a method as abstract method ?

HP,

2 7033

What is JVM ?

Phantom Technologies, TCS,

4 7286

Why do we need public static void main(String args[]) method in Java...?

1 5137

What is the difference between constructor and method?

4 6770

What is the difference between parameters and arguments ?

2 5477

What is the difference between Java Bean and Java Class.?

2 5443

What is the purpose of a statement block?

1 4428

Can an unreachable object become reachable again?

3 5714

Un-Answered Questions { Java Related }

How does a cookie work in Servlets?

844

What is @bean annotation in spring boot? : Spring Boot

479

What is purpose of hibernate?

574

How do I save in hibernate?

465

What is thread count in java?

1010

How can a servlet be used to generate plain text instead of html?

954

What is a java driver?

1012

Is void a type?

980

Why hashset is used in java?

1076

What is a conditional statement explain with example?

1016

Is jms a protocol?

829

while working struts in intellij 7.0error unable to initialize tld location cache: zip file is closed is displayed anybdy can answer me immdialy .ungert

2556

Can we serialize arraylist in java?

1012

What state is a thread in when it is executing?

963

What is an exception? difference between Checked and Unchecked exception in Java

1013

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