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

could you run the java program without main method?

6 16321

My interview asked what is dynamic variable in java and where we use them.

IBM,

2 7823

How we store procedure in oralce for callable statements in jdbc

1 2416

what are the new features of Webservices 1.6 than 1.4.From the interface and implementation aspect4.

1 2265

"we cannot create an object of interface but we can create a variable of it".diacuss the statement with the help of an example.

2 7877

Can I create any Marker Interface? If yes then how can I use it???

4 11876

Give me some example for getting connection from connection pooling in JBoss Server. Is Connection Pool default in Server or we have to create it? Who can create Connection Pool in a Team. How it will be accessed by the developer code?

TCS,

1 4989

how can we load a file of a user in the database table?

ITC Infotech,

3 6224

java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDr iver? I get this error at run time.I used oracle10G. I set CLASS PATH:C:\oraclexe\app\oracle\product\10.2.0 \server\jdbc\lib\ojdbc14.jar; I write JDBC PROGRAM like import java.sql.*; class Example { public static void main(String args[]) { try { Class.forName ("oracle.jdbc.driver.OracleDriver"); System.out.println("Driver Loaded"); Connection con=DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:xe","system","salmas"); System.out.println("Driver Connected"); Statement st=con.createStatement(); ResultSet rs=st.executeQuery("select * from emp"); while(rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } st.close(); con.close(); } catch(Exception e) { System.out.println(e); } finally { System.out.println("it's finally block executed"); } } }

CTS,

6 25422

Possible ways for debugging java ,javascript,jsp and servlet. Can we use System.out.println debugging java.

2 5780

please send code example of inner classes?

2 5652

how team leaders assign work for the team member like through papers,word document

TCS,

1 6026

what is the use of clone method? why user cant overwrite in sub class without its proper defination.

TCS,

2 6464

what is object deep copy and shallow copy and why it is required?

2 9123

what is the differencees between work manager and executequeue?

iFlex,

2 13741

Un-Answered Questions { Java Related }

Are jvm’s platform independent?

975

What do you mean by an interface in java?

1095

Can we extract main method from another class?

1026

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2658

What is java string pool?

1076

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

1095

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

1025

What is parsing in java?

1030

i want test pattern of zylog company and some examples also

2855

Differentiate between static and non-static methods in java.

1115

Is minecraft 1.15 out?

1038

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

1078

Find Best Job Vacancies across the world on Jooble!

133

How can you inject java collection in spring?

503

What do you know about validation plugin ?

1024

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