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

Explain the difference between map and flatmap stream operation?

1268

Write a program to print 15 random numbers using foreach of java 8?

936

Explain the difference between intermediate and terminal operations in java8?

1115

Write a program to print count of empty strings in java 8?

1006

Explain spliterator in java8?

1047

Explain the difference between collection api and stream api in java8?

974

How to create a base64 decoder in java8?

1057

What is the difference between array and array list in java?

1231

What is the difference between hashmap and hashtable in java?

1124

What is the difference between hashset and treeset in java?

1068

What is servlet? Explain

1067

What is socket in java?

1065

What is network programming in java?

998

Explain the difference between jakarta struts and apache struts?

944

What do you mean by actionmapping?

968

Un-Answered Questions { Java Related }

Why is declarative transaction management preferred in spring?

406

What are the recommend parameters to improve the prformance from data-source point of view.

1003

What are the types of advice?

456

do I need to use synchronized on setvalue(int)? : Java thread

1010

What is the use of protected in java?

1025

Can we have more than one struts-config.xml file for a single struts application?

934

What is a stack class in java ?

1105

What is concurrent hashmap and its features?

1095

Why dependency injection is required?

383

What is the difference between save() and persist() in hibernate?

395

What is javabeans component?

967

How is final different from finally and finalize?

925

What is jdbc odbc connection?

980

How long will it take to learn java?

992

What is java flatmap?

915

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