Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

public class Test { public static void main(String[] args) { int countA = 0; int countB = 0; int countC = 0; int countD = 0; int countE = 0; int countF = 0; int countG = 0; int countH = 0; int countI = 0; int countJ = 0; int countK = 0; int countL = 0; int countM = 0; int countN = 0; int countO = 0; int countP = 0; int countQ = 0; int countR = 0; int countS = 0; int countT = 0; int countU = 0; int countV = 0; int countW = 0; int countX = 0; int countY = 0; int countZ = 0; } } Can anybody tell me any alternate solution(like loop or something) to automate this initialization process. Ex:- for(char chr='A';chr<='Z'; chr++) { (int) String "count"+chr = 0; }

1 2386

what is different between static and non static methods ,using example

2 4368

Which collection object is faster to retrieving the data and inserting the data into it.

Jamcracker, Virtusa,

2 8585

what is the difference b/w static and final methods?

1 5276

MY code is: public class P1{ public static void main(String ar[]) { class.forName("java.lang.String"); } } errors i got are :New.java:5: error: expected class.forName("java.lang.String"); ^ New.java:5: error: invalid method declaration; return type required class.forName("java.lang.String"); ^ New.java:5: error: illegal start of type class.forName("java.lang.String"); ^ New.java:7: error: reached end of file while parsing } ^ 4 errors HELP ME>......

3 5500

what is data binding? give the example

TCS,

1 4965

what is deadlock in threads? with example

CTS, XOXO,

2 5777

Difference between abtsract & final

Nous,

1 4153

Difference between error and exception

Nous, TCS,

4 6222

Superclass of exception

Nous,

4 6871

Write POJO class as a key to hashmap???

2 13155

my interviewer asked me what technical specification you used how to answer that question

1 2448

WAP to illustrate the use of interface

2 4342

What is difference between JMS and Web Services?

1 4947

Difference between Map & Hashmap

Mastek,

2 6684

Un-Answered Questions { Java J2EE }

What is java string pool?

1072

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

1093

How can you inject java collection in spring?

499

How to create a base64 decoder in java8?

1123

What are the differences between heap and stack memory in java?

1121

What is a constructor overloading in java?

1119

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 is latest hibernate version?

482

What do you know about validation plugin ?

1019

Realized?

2248

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

1120

What is the difference between equals() and == in java?

1028

What is the difference between break and continue statements?

1113

Is minecraft 1.15 out?

1032

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

2253

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