Core Java Interview Questions
Questions Answers Views Company eMail

what is use of marker interface? give me good example?

2 5108

what is use of threads how many ways to create thread

iTrust, Verizon,

3 9345

Program to print 1 1 2 1 2 3 1 2 3 4 like that

Huawei,

8 11506

program to find 25 square = 625 here the 625 of last two digits is equal to 25, i don't know excatly what this type of number is called

Huawei,

1 3575

i need to know the website that i can compile and run a java code in online.(while system doesn't contain any jdk and jre)

1553

What is JAVA? Why it is platform independent?

NIIT,

10 11413

i need to know the site which compiles and run the java program completely in online... thank you for your reply in advance

2 3100

what questions are been asked ??? for interview in apti

1599

Features of JAVA ? In which version of java synchronizedXXX() methods are included in Collections class.

NIIT,

1 6061

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 6177

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.

CFG,

8 6781

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

3 4654

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

HSBC,

2 11423

diff. b/w JAVA and javascript...

NIIT,

3 5542

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

3 12353


Post New Core Java Questions

Un-Answered Questions { Core Java }

Is cout buffered?

662


How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters?

562


What restrictions are placed on method overloading in java programming?

547


What is predicate in java?

532


What is the order of arraylist in java?

586






What is the difference between a field variable and a local variable?

545


Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

7374


Why charat is used in java?

518


How define set in java?

487


What modifiers may be used with an inner class that is a member of an outer class in java programming?

503


Is java developer a good career?

523


What is the argument in java?

467


What is methodological theory?

505


What is time complexity algorithm?

526


How do I start learning java?

533