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Java Questions Set 85:

Quiz Mode

String concatenation is not implemented through the StringBuffer

True

False

Solution:

A try block without catch or finally will result in compiler error.

True

False

Solution:

Which datatype is used to store command line arguments?

Array

Integer

Stack

String

Solution:

Predict the output of the following Java code.

[90, 34]

null

[34, 73]

Runtime Exception

Solution:

Which method of the Object class can be used to generate a duplicate copy of the object on which it is called?

clone()

copy()

duplicate()

dito()

Solution:

Select the situation where finally block will not be executed?

Using "system.exit(0);" in try statement

Using "break;" in a try statement

Using "exit(0);" in a try statement

None of the above

Solution:

If I want to have common functions in a class and want to defer implementations of some other functions to derived classes, then we need to use

An interface

An abstract class

A static class

None

Solution:

What will be the output of the following code?

`class A{ public static void main(String args[]) { int arr[2]; System.out.println(arr[0]); System.out.println(arr[1]); } }`

0 0

garbage value garbage value

Compilation Error

Run time Error

Solution:

Which of the following statements about public methods is correct?

Public methods are accessible to all other classes in the hierarchy

Public methods are accessible only to subclasses of their parent class

Public methods can only be called by objects of their own class

Public methods can be accessed by calling objects of the public class

Java Questions Set 85:

String concatenation is not implemented through the StringBuffer

Solution:

A try block without catch or finally will result in compiler error.

Solution:

Which datatype is used to store command line arguments?

Solution:

Predict the output of the following Java code.

Solution:

Which method of the Object class can be used to generate a duplicate copy of the object on which it is called?

Solution:

Select the situation where finally block will not be executed?

Solution:

If I want to have common functions in a class and want to defer implementations of some other functions to derived classes, then we need to use

Solution:

What will be the output of the following code?

`class A{ public static void main(String args[]) { int arr[2]; System.out.println(arr[0]); System.out.println(arr[1]); } }`

Solution:

Which of the following statements about public methods is correct?

Solution:

Related Question Sets:

Related Topics:

Java Questions Set 85:

String concatenation is not implemented through the StringBuffer

Solution:

A try block without catch or finally will result in compiler error.

Solution:

Which datatype is used to store command line arguments?

Solution:

Predict the output of the following Java code.

Solution:

Which method of the Object class can be used to generate a duplicate copy of the object on which it is called?

Solution:

Select the situation where finally block will not be executed?

Solution:

If I want to have common functions in a class and want to defer implementations of some other functions to derived classes, then we need to use

Solution:

What will be the output of the following code? class A{ public static void main(String args[]) { int arr[2]; System.out.println(arr[0]); System.out.println(arr[1]); } }

Solution:

Which of the following statements about public methods is correct?

Solution:

Related Question Sets:

Related Topics:

What will be the output of the following code?

`class A{ public static void main(String args[]) { int arr[2]; System.out.println(arr[0]); System.out.println(arr[1]); } }`