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

Advanced Java Interview Questions

Questions Answers Views Company eMail

What is threadfactory?

1151

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

1091

Do you think that java should have had pointers?

1122

Why is string immutable in java?

1139

Can constructors be synchronized in java?

1170

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

1155

What are various types of class loaders used by jvm?

1039

Is jvm a overhead?

1160

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

1173

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

1156

What is a class loader?

5 2056

Explain the different types of memory used by jvm?

1194

Which are the different segments of memory?

1141

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

1178

What is metaspace?

1085

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Un-Answered Questions { Advanced Java }

difference between ejb,struts,hibernate,spring and jsp

2919

Why do threads block on i/o?

1313

Is it possible to stop the execution of a method before completion in a sessionbean?

1145

What are the different methods of identifying an object?

1126

Which container method is used to cause a container to be laid out and redisplayed?

1185

What is the highest-level event class of the event-delegation model?

1159

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

1178

What is colon_pkg_prefixes and what is its use?

2585

Why won’t the jvm terminate when I close all the application windows?

1297

Can I have an action without a form?

1158

What is permgen or permanent generation?

1075

What is the form of storage space in java?

2296

What is the difference between RMI and Corba?

2783

How database connectivity in XML is achieved?

2281

Where can I find seam examples and documentation?

1146

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