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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

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 12629

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 7530

What is the difference between Logical Parallelism and Physical Parallelism?

HCL,

3420

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 6741

can i modify the data which are generated by the servlet

4 6720

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

2 9763

difference between jsp and java script?

3 5819

When you declare a method as abstract method ?

HP,

2 7086

What is JVM ?

Phantom Technologies, TCS,

4 7348

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

1 5172

What is the difference between constructor and method?

4 6826

What is the difference between parameters and arguments ?

2 5522

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

2 5485

What is the purpose of a statement block?

1 4443

Can an unreachable object become reachable again?

3 5760

Un-Answered Questions { Java Related }

Can optional be null?

1016

What is the use of interceptor?

992

How do I get a substring?

1003

Write a function to print Fibonacci series and Tribonacci series?

1199

What is the SimpleTimeZone class?

2297

What is @enableautoconfiguration?

1059

How can the issue associated with high CPU usage be solved?

1065

What is a topic string?

897

What is message-driven bean?

1056

Implementations of set interface?

1034

Explain in brief the directory structure of a web application?

1138

How to change webcontainer thread pool size?

888

what is cryptography? Why do we need it?

1003

What is difference between hibernate and ibatis?

619

What is class variable java?

1027

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