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

what are the struts tags?

1 4503

what is main purpose of interface?

Accenture, HCL, NIIT,

2 14414

what is main purpose of abstract class?

7 13823

what is difference between abstract factory and factory design patterns?

2386

what is template design pattern?

2551

write a class to input 2 points by the user & check the line maked by the points is horizontal,vertical or rectangle?

1 2953

What is diffennce between AWT & SWING?

4 7002

What are the ways of polymorphism other than Overridding & Overloading

1 6065

Can we have a abstract class withought any method? What is a purspose of this?

3 6560

Howto get an object that will perform date & time calculations then format it for output in some different locales with different date style.can ne1 tel me the answer of this question.pls

1946

what is the purpose of load_on_startup entry in struts- config.xml?

Satyam,

8 15284

What is the difference between throw and throws?

Cap Gemini,

5 13338

1. What is clustering? How do weblogic instances communicate in a clustered environment! 2. In a cluster, if one of the servers has issues and is not accessible, will the other servers know about it? and how??

6 27124

I have an HashMap object, which has with key and value pair. It has 10 keys and values in that object. Now the question is I want insert new key and value in middle or any where in that list but not at the end or at the top. Is it possible or not. If yes how can we achieve this one?

Huawei,

2 7321

How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?

Huawei,

1 7524

Un-Answered Questions { Java Related }

Can a constructor call another constructor?

1003

Define how can we find the actual size of an object on the heap?

1247

Can an interface have a class?

1020

Is java still necessary?

1106

Give a practical example of singleton class usage?

1077

Explain the difference between singleton and prototype bean in spring?

427

What are persistent objects hibernate?

474

What is spring jdbc template?

556

What is the purpose of the enableevents() method in java programming?

1220

What is java and why do we need it? Explain

1163

What are its drawbacks of cgi?

1152

Explain about label node?

954

What is lazy loading in hibernate and how is it done?

539

What does @param args mean in java?

1077

Can java program run without jre?

1032

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