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4

Frames and applets cannot be used together in the same program.

A. True

B. False

Correct Answer :

B. False


Related Questions

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4

A panel can not be added to another panel.

A. True

B. False

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4

Throwing an exception always causes program termination.

A. True

B. False

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4

Session bean

A. Represents a single client inside the application server

B. Can not be shared

C. Is not persistent

D. Satisfies all of the above conditions

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4

Consider the following statements:
int x = 10, y = 15; 
x = ((x < y) ? (y + x) : (y - x);

What will be the value of x after executing these statements?

A. 25

B. 15

C. 5

D. Error can't be executed.

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4

If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.

A. True

B. False

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4

Frames and applets cannot be used together in the same program.

A. True

B. False

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4

It is an error to have a method with the same signature in both the super class and its subclass.

A. True

B. False

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4

Which of the following represent legal flow control statements?

A. break();

B. continue(inner);

C. return;

D. exit();

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4

Connection, Statement are interfaces and ResultSet is a class.

A. True.

B. False.

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4

The methods wait() and noify() are defined in

A. java.lang.Thread

B. java.lang.Runnable

C. java.lang.Object

D. java.lang.ThreadGroup

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4

Which of the following statements are true?

A. An abstract class may not have any final methods?

B. A final class may not have any abstracts methods.

C. Transient variables must be static.

D. all of the above

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4

Declaring a method synchronized guarantees that the deadlock cannot occur.

A. True

B. False

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4

Which exception is thrown by the read() method of InputStream class?

A. IOException

B. FileNotFoundException

C. ReadException

D. None of the above

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4

In RMI we invoke client method from remote server

A. True

B. False

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4

When present, package must be the first no comment statement in the file.

A. True

B. False

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4

A Java monitor must either extend thread class or implement Runnable interface.

A. True

B. False

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4

Which of the following keywords are used to control access to a class member?

A. default

B. protected

C. interface

D. None of the above

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4

The concept of multiple inheritance is implemented in Java by

A. extending two or more classes

B. extending one class and implementing one or more interfaces

C. all the above

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4

It is perfectly legal to assign a subclass object to a supper class reference.

A. True

B. False

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4

forName() is a static factory method

A. True

B. False

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4

The length of a string object 's1' can be obtained using the expression s1.length.

A. True

B. False

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4

Given the code
String s = new String("abc");
Which of the following calls are valid?

A. s.toUpperCase()

B. s.append("xyz")

C. s.setCharAt(1<'A')

D. all of the above

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4

A variable declared inside the for loop control can not be referenced out side the loop.

A. True

B. False

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4

putValue(...) method takes _____________________-

A. Two arguments of object type

B. First one is of a character type and second one is of an object type

C. First one is of an object type and second one is of a character type

D. None of the above.

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4

Objects are passed to a method by use of call-by-reference.

A. True

B. False

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4

Every method of a final in class is implicitly final.

A. True

B. False

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4

A catch can have comma-separated multiple arguments.

A. True

B. False

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4

When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.

A. True

B. False

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4

Which of the following methods can be used to remove a component from the display?

A. remove()

B. desappear()

C. hide()

D. move()

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4

If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.

A. True

B. False