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

Core Java Interview Questions

Questions Answers Views Company eMail

What is update method and when it is called?

TCS,

2 19222

When we will use an Interface and Abstract class?

9 28118

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

3 6042

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

1 7079

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

Wipro,

11 31252

Where the CardLayout is used?

1 7599

Which Component subclass is used for drawing and painting?

1 3571

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

1 5127

Which Java operator is right associative?

3 8214

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

2 5558

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

1 4860

In what types of operations an ArithmeticException will be thrown?

3 6579

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

2 5120

Which class has no duplicate elements?

8 15941

Which class is extended by all other classes?

4 10158

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Un-Answered Questions { Core Java }

Why are lists ordered in java?

972

What does snprintf return?

959

How does arraylist work in java?

1052

What is jee6?

1025

How can constructor chaining be done by using the super keyword?

1050

Hi Anyone know the model / questions of the Federal bank sample questions for the post of Specialist Officers - Programmers. Please post if anyone have..

2253

How many boolean functions are there?

929

What class of exceptions are generated by the java run-time system?

1136

What do you understand by soft reference?

992

What are the major drawbacks of external iteration?

1021

Can we catch more than one exception in a single catch block?

1030

How many types of interfaces are there?

996

What is java argument list?

891

What is an image buffer?

944

What is backdrop?

1024

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