Advanced Java Interview Questions
Questions Answers Views Company eMail

What is threadfactory?

845

How substring() method of string class create memory leaks?

766

Do you think that java should have had pointers?

807

Why is string immutable in java?

798

Can constructors be synchronized in java?

808

What is a class loader? What are the different class loaders used by jvm?

793

What are various types of class loaders used by jvm?

704

Is jvm a overhead?

809

What is the difference between long.class and long.type?

762

What is the difference between system.out ,system.err and system.in?

803

What is a class loader?

5 947

Explain the different types of memory used by jvm?

853

Which are the different segments of memory?

816

Difference between new operator and class.forname().newinstance()?

817

What is metaspace?

760


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Un-Answered Questions { Advanced Java }

what is the use of State Factories?

2102


What is mdb and what is the special feature of that?

771


What is prototype?

810


What if the static modifier is removed from the signature of the main method?

945


What state does a thread enter when it terminates its processing?

805


Explain about local interfaces.

789


In our urls and in the text of the buttons we have comma. Its causing an error. Is there a way to change the delimiting character for the menu arguments?

837


What are the services in RMI ?

2079


What value does read() return when it has reached the end of a file?

741


What are the steps to write p-to-p model application?

2160


Why use a datasource when you can directly specify a connection details? (in a J2EE application)

3810


When is the best time to validate input?

799


For which statements does it make sense to use a label?

796


Difference between hashmap and hashtable?

816


what are the advantages of JTA over JTS?

1898