Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

can we take more than one null values for Unique constraints.

3i Infotech,

1 4243

what is the main differene between synchronize() method and Synchronize{}block?

3i Infotech,

1 4365

what are the disadvantages of indexes in oracle?

3i Infotech, Wells Fargo,

1 2672

How we get some middle records in one table?

3i Infotech,

2 6503

tell me some common

TCS,

2 4666

I Want build and release interview questions

1 3596

Which is the best way of exception handling?

Oracle,

2 7117

1) Scenario: I developed my application on local system and everything is perfect and tested. Now on UAT this application is deployed on clustered server environment. They are logical or physically clustered. But application is not working over there.  What is the issue with application?  What are the first things which come in your mind?

L&T,

1 6209

How to know weblogic version?

CTS,

5 13735

what is the difference between System.exit() and System.exit(1)?

eClinical Solutions, eClinical Works, eClinicalWorks,

1 7318

Can there be an abstract class with no abstract methods in it?

1 3932

can any one send me the example program of immutable class?

Arfin, TCS,

2 5439

There are 100 keys and values in HashMap.how to get the keys and values?

IBS,

1 6586

how to upgrade the weblogic server licence?

CTS, Wipro,

1 2953

how to change the Nodemanager password?

CTS,

3 11929

Un-Answered Questions { Java Related }

How does java handle integer overflows and underflows?

1101

Realized?

2248

What is lazy class?

474

How to create a base64 decoder in java8?

1122

what is reflection api? How are they implemented?

1092

What is difference between @controller and @restcontroller in spring?

529

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2409

What if I write static public void instead of public static void?

924

What is the locale class?

1018

Is minecraft 1.15 out?

1032

How to sort array in descending order in java?

980

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

1077

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

2853

What do you understand by casting in java language? What are the types of casting?

918

What is the java api?

981

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