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

all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.

4 7658

CFG,

8 9443

what diff bw constructor method & method

CTS,

4 6468

what are the gbx,gdb and other tools in linux for core dump,and how to configure stdout,stderr..what is the difference between stdout ,stderr and coredump. how to create core dump and view that one? please can anybody explain me?

4743

how to know which version of java is running on ur computer using command prompt?

BeBo Technologies,

2 7545

What is there in browser that it supports web based applications of java or any other PL?

2 4463

what is class.forname() and how it will be useful ?

3 5942

how and when compiler knows that the Java code throws the checked Exception.

HSBC,

2 12769

how can we connect to db without using getConnection() method

4 7716

diff. b/w JAVA and javascript...

NIIT,

3 6752

Weblogic admin don't know the admin credentials of weblogic 8.1 UI..how can he get the credentials?

IBM,

2 13560

what is the difference between String s="hello"; and String s=new String("hello");?

3 13822

hi to all,i have a question on static block. i saved below as test.java class test extends a { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p as static test static but if i change base class as test class then class test { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a extends test { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p test static explain me why "a static" wasn't print in second code when it is in derived class

1 3648

what are the uses of Class class and what it returns? explain it with the example code.

1 3849

class test { private static void main(String []adsf) { } } explain me that the above code is error or exception

3 5597

Un-Answered Questions { Java Related }

What is the difference between merge and update?

458

What are the problems faced by java programmers who don't use layout managers?

1001

What is the use of @resource?

1091

What is Major and importance difference between for and foreach loop ?

1169

Is integer immutable in java?

1015

What is the purpose of object oriented programming?

1005

What is the argument in java?

955

What is use of a abstract variable?

1011

How do you define a method?

998

What is @resource in java?

1031

What is the immediate superclass of the applet class?

1109

What is difference between java.util.Date and java.sql.Date?

1157

What is value stack?

1060

What is jms destination?

925

Why javac is not recognized?

967

For More Un-Answered { Java Related } Questions Click Here