Core Java Interview Questions
Questions Answers Views Company eMail

What is update method and when it is called?

TCS,

2 18259

When we will use an Interface and Abstract class?

9 25376

While opening the file, what type of exceptions can be caught?

3 5044

What methods are called, When we navigate from one applet to another applet?

1 6123

How 'java' got its name and what it stands for?

Wipro,

11 27062

Where the CardLayout is used?

1 6776

Which Component subclass is used for drawing and painting?

1 2884

Name the method of a Container that can be used to cause a container to be laid out and redisplayed?

1 4458

Which Java operator is right associative?

3 6984

What is the method used to get the absolute value of a number?

2 4620

Name the method that is used to set a TextComponent to the read-only state?

1 4135

In what types of operations an ArithmeticException will be thrown?

3 5495

Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?

2 4108

Which class has no duplicate elements?

8 13435

Which class is extended by all other classes?

4 8895


Post New Core Java Questions

Un-Answered Questions { Core Java }

Is java a security risk?

529


how we can use debug in myeclipse 6.0 in order solve the problems that exist in our program when there are 900 to 1000 pages in a web application

1642


What is a two-pass assembler?

584


Is treeset sorted in java?

557


What is private static in java?

549






What is backdrop?

573


What is ide with example?

523


What is remote method invocation (rmi)?

595


What is sorting in java?

509


What is the difference between an array and an array list?

479


What's the purpose of using break in each case of switch statement?

487


Is null a string in java?

540


What does java se mean?

573


Under what conditions is an object’s finalize() method invoked by the garbage collector?

556


can I implement my own start() method? : Java thread

527