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

Is string a wrapper class?

1068

What is the generic function?

1043

Is string an object?

1169

How do you replace all in word?

1144

How do you know if a value is nan?

1116

Does printwriter create a file?

1020

How do you use wildcards?

1127

What is difference between string and stringbuffer?

1208

What are the special characters?

1024

What does it mean that strings are immutable?

1187

What happens if a constructor is declared private?

1077

What are different types of expressions?

1198

Which is better arraylist or vector?

1068

What is a generic type?

1057

Is a string literal?

1222

Un-Answered Questions { Java Related }

Is jdbc faster than hibernate?

1055

How to generate a thread dump?

1039

What is the meaning of immutable regarding string?

1021

What is map and flatmap?

1079

Tell me some of the log files generated by websphere?

983

what is deadlock? : Java thread

1062

Name few wcs controller commands used in your application for member subsystem?

931

What does apache struts do?

965

What is jar, war, and ear?

1239

What is an empty class? What functionality does it offer in Java?

1358

What is a class instance variable?

1177

What is the difference between break and continue statements?

1101

What is initial size of arraylist in java?

1104

What is mdb in jms?

908

What is the use of @qualifier annotation?

470

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