We would like to make a member of a class visible in all subclasses regardless of what package they are in. Which one of the following keywords would achieve this?
private
protected
public
private protected
Correct Answer :
D. private protected
Related Questions
Which of the following statements are true?
An abstract class may not have any final methods?
A final class may not have any abstracts methods.
Transient variables must be static.
all of the above
Session bean
Represents a single client inside the application server
Can not be shared
Is not persistent
Satisfies all of the above conditions
All methods in an abstract class must be declared abstract.
True
False
Java always provides a default constructor to a class.
True
False
Which of the following string can be used as mode string for creating a RandomAccessFile object?
"rw"
"wr"
"0"
'w''
Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
True
False
A final class may not have any abstract method.
True
False
What does the following line of code do?
TextField text=new TextField(10);
Creates text object that can hold 10 rows of text.
Creates text object that can hold 10 columns of text.
Creates the object text and initializes it with the value 10.
The code is illegal.
Given the code
String s = new String("abc");
Which of the following calls are valid?
s.toUpperCase()
s.append("xyz")
s.setCharAt(1<'A')
all of the above
JdbcOdbcDriver is an object of Object class
True
False
Which exception is thrown by the read() method of InputStream class?
IOException
FileNotFoundException
ReadException
None of the above
Which of the following will produce a value of 22 if x=22.9:
Ceil(x)
Round(x)
Rint(x)
Abs(x)
In RMI before running the client program we must start RMI Registry.
True.
False.
executeUpdate(------------) returns ___________
Nothing
Returns a ResultSet object
Returns an integer value to show the no. of updated rows
None of the above.
Which of the following statements are valid array declarations?
int number();
float average[];
double[] marks;
counter int[];
JSP files creates ________________
html files
html files and java files
java files and class files
None of the above.
The name of a Java program file must match the name of the class with the extension Java.
True
False
Java is fully object oriented programme.
true
false
When the string objects are compared with ==, the result is true If the strings contain the same values.
True
False
Which key word can protect a class in package from accessibility by the classes outside the package?
private
protected
final
don't use any keyword at all(make it default)
DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
True.
False.
It is an error to have a method with the same signature in both the super class and its subclass.
True
False
Which of the following methods can be used to remove a component from the display?
remove()
desappear()
hide()
move()
The modulus operator (%) can be used only with Integer operands.
True
False
Which are the valid ways to create DataInputStream streams?
new DataInputStream(new File("in.dat"));
new DataInputStream(new FileInputStream("in.dat"));
new DataInputStream("in.dat");
new DataInputStream("in.data","r");
Declarations can appear anywhere in the body of a Java method.
True
False
Which of the following represent legal flow control statements?
break;
break();
continue(inner);
all of the above
A variable declared inside the for loop control can not be referenced out side the loop.
True
False
The check box group class is a subclass of the component class.
True
False
Consider the following code snippet:
try
{
int x=0; int y=50/x;
System.out.println("Division by zero");
}
catch(ArithmeticException e)
{
System.out.println("catch block");
}
What will be the output?
{
int x=0; int y=50/x;
System.out.println("Division by zero");
}
catch(ArithmeticException e)
{
System.out.println("catch block");
}
Error. Won't compile
Division by zero
Catch block
Division by zero catch block