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

Explain the difference between map and flatmap stream operation?

1314

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

986

Explain the difference between intermediate and terminal operations in java8?

1167

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

1066

Explain spliterator in java8?

1099

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

1033

How to create a base64 decoder in java8?

1113

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

1308

What is the difference between hashmap and hashtable in java?

1180

What is the difference between hashset and treeset in java?

1113

What is servlet? Explain

1116

What is socket in java?

1127

What is network programming in java?

1037

Explain the difference between jakarta struts and apache struts?

994

What do you mean by actionmapping?

1011

Un-Answered Questions { Java Related }

What are the differences between Swing and AWT?

1185

What do you mean by httpservlet and how it is different from the genericservlet?

1134

What invokes a thread's run() method in java programming?

1277

Write a command to get actual path of a servlet to the server?

1080

What is postmapping?

431

What are the uses of java?

1146

Can a constructor call the constructor of parent class?

1090

Application installed but not working. What are troubleshooting steps?

991

explain the advantages of servlet life cycle?

1043

How to find out certain server configuration details like port no, server name, node name, pid?

886

How do you remove spaces in java?

1088

What is the difference between the ">>" and " >>>" operators in java?

1039

Explain the model 1 and model 2 architecture of spring framework.

431

What is content pane in swing?

1022

What is bidirectional causality?

421

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