Answer the Questions(Multiple Choice ): Question 26 Public Constructor methods A

Question

Answer the Questions(Multiple Choice):

Question 26

Public Constructor methods

Are inherited by but cannot be accessed by a subclass

Are inherited by and can be accessed with the super keyword by a subclass

Are accessible with the super keyword by a subclass but are not inherited

Are not inherited by and cannot be accessed by a subclass

2.5 points

Question 27

Assuming the class B extends class A, then

An object of class B is an object of class A

An object of class A is an object of class B

Both a and b

None of the above

2.5 points

Question 28

What is the output of this code sequence?

Scanner parse = new Scanner("AA%:BB:CC");
parse.useDelimiter(":");
while(parse.hasNext())
{

System.out.print(parse.next() + " ");
System.out.println();

}

AA%
:BB
:CC

AA% BB CC

AA%
BB
CC

None of the above

2.5 points

Question 29

It is legal to have more than one catch block to match a try block but you must have a finally block if there is more than one catch block.

True

False

2.5 points

Question 30

Assuming file data.txt exists and is successfully opened and contains the following text

CS1

What does the file data.txt contain after this code sequence is executed?

try
{
FileOutputStream fos = new FileOutputStream("data.txt ", false );
PrintWriter pw = new PrintWriter( fos );
pw.println( “Java Illuminated”);
    
pw.close( );
}
catch( IOException ioe )
{

ioe.printStackTrace( );

}

Java Illuminated

CS1Java Illuminated

CS1
Java Illuminated

Java Illuminated
CS1

Are inherited by but cannot be accessed by a subclass

Are inherited by and can be accessed with the super keyword by a subclass

Are accessible with the super keyword by a subclass but are not inherited

Are not inherited by and cannot be accessed by a subclass

Explanation / Answer

Question 26

Option C: Are accessible with the super keyword by a subclass but are not inherited

Because Constructors are not inherited it is accessible with super keyword.

Question 27

Option B: An object of class A is an object of class B

Question 28: Option B

AA% BB CC

Question 29

True:

Question 30: Option c

CS1
Java Illuminated

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