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

What is servlet mapping?

1 1093

What are different Authentication options available in Servlets.

1 1141

When is the servlet instance created in the life cycle of servlet? What is the importance of configuring a servlet?

1 1124

Why is it that we can't give relative URL's when using ServletContext.getRequestDispatcher() when we can use the same while calling ServletRequest.getRequestDispatcher()?

1 1166

List out difference between a JavaBean from a Servlet?

1 1092

How to find whether a parameter exists in the request object?

1 1173

List out the difference between ServletConfig and ServletContext?

1 1113

The code in a finally clause will never fail to execute, right?

1 1162

Can we use the constructor, instead of init(), to initialize servlet?

1 1171

Once the destroy() method is called by the container, will the servlet be immediately destroyed? What happens to the tasks(threads) that the servlet might be executing at that time?

1 1324

What is the difference between using getSession(true) and getSession(false) methods?

1 1138

Whats the advantages using servlets over using CGI?

1 1135

What mechanisms are used by a Servlet Container to maintain session information?

1 1235

Which interface must be implemented by all servlets?

1 1431

When using servlets to build the HTML, you build a DOCTYPE line, why do you do that?

1 1203

Un-Answered Questions { Java Related }

What is an object in java and how is it created?

1120

What is the resourcebundle class?

997

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

1077

What is the difference between break and continue statements?

1113

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2855

Differentiate between static and non-static methods in java.

1115

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2255

How does java handle integer overflows and underflows?

1102

What is the first argument of the string array in main method?

1023

What is latest hibernate version?

482

Is minecraft 1.15 out?

1032

What is a constructor overloading in java?

1119

what are the different modes of archival? Explain each mode in two lines each?

992

Write a program to find the whether a number is an Armstrong number or not?

1093

What is a classloader in java?

1080

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