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

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Java Related Interview Questions

Questions Answers Views Company eMail

Describe, in general, how java's garbage collector works?

1088

What is threadfactory?

1159

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

1106

Do you think that java should have had pointers?

1130

Why is string immutable in java?

1152

Can constructors be synchronized in java?

1181

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

1170

What are various types of class loaders used by jvm?

1052

Is jvm a overhead?

1171

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

1184

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

1173

What is a class loader?

5 2116

Explain the different types of memory used by jvm?

1208

Which are the different segments of memory?

1158

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

1184

Un-Answered Questions { Java Related }

What is gui in java with examples?

1121

Explain the Propertie sof class?

1123

Can we get PrintWriter and ServletOutputStream both in a servlet?

1194

What is initialization parameter?

1123

What is default size of arraylist in java?

1241

Why is singleton not thread safe?

1117

Explain the working of service() method of a servlet.

1022

What is ejb container provider?

948

Which is better nhibernate or entity framework?

455

What are different Authentication options available in Servlets.

1131

What is default exception handling in java?

1076

How to explain Software Bank Loan descriptions

2581

What are different ways to create Action classes in Struts2?

1161

What is a text message?

947

State one difference between a template class and class template.

1131

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