Java online quiz - Take Java Online Quiz

The Java candidates for a position are selected on the basis of their performance in timed online quiz. This Java quiz consists of 22 java questions trying to assess your knowledge on various aspects of Java. Take this quiz and measure your performance on the basis of your score & time you took to achieve it.

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Here are few sample Java online quiz questions

Which statement is true?

An anonymous inner class can access final variables in any
enclosing scope.
An anonymous inner class may be declared as protected.
An anonymous inner class can implement multiple interface.


Which cannot directly cause a thread to stop executing?

Calling a yield method.
Calling the start method on another Thread object.
Calling the notify method on an object.
Calling wait method on an object.


Which code determines the int value data closer to, but not greater than, a double value b?

Int data = (int) Math.abs(b);
Int data = (int) Math.ceil(b);
Int data = (int) Math.floor(b);
Int data = (int) Math.min(b);

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More Links
What are the common tasks of JDBC?

Latest answer: Create an instance of a JDBC driver, Register a driver, Specify a database.............

Explain the concepts of Exceptions in Java.

Latest answer: Exceptions are errors that occur at runtime and disrupt the normal flow of execution of instructions in a program...............

What is class loader? Explain the purpose of Bootstrap class loader.

Latest answer: Class loader finds and loads the class at runtime. Java class loader can load classes from across network or from other sources like HTTP, FTP etc.................



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Java online quiz - Take Java Online Quiz

Functions of the dot(.) operator

It enables you to access instance variables of any objects within a class
It enables you to store values in instance variables of an object
It is used to call object methods
It is to create a new object
a,b and c


Java online quiz 05-10-2012 06:17 AM

Java online quiz - Take Java Online Quiz

Which of the following statements are true about finalization?

A class may have only one finalize method
Finalizers are mostly used with simple classes
Finalizer overloading is not allowed
a and c


Java online quiz 05-10-2012 06:16 AM

Java online quiz - Take Java Online Quiz

Functions of the dot(.) operator

It enables you to access instance variables of any objects within a class
It enables you to store values in instance variables of an object
It is used to call object methods
It is to create a new object
a,b and c


Java online quiz 05-10-2012 06:16 AM

Java online quiz - Take Java Online Quiz

Which of the following are true?

The Serializable interface is used to identify objects that may be written to an output stream.
The Externalizable interface is implemented by classes that control the way in which their objects are serialized.
The Serializable interface extends the Externalizable interface.
a and b


Java online quiz 05-10-2012 06:16 AM

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