The use of protected keyword to a member in a class will restrict its visibility as follows:
Visibility only in the class and its subclasses in the same package.
Visibility only inside the same package.
Visibility in all classes in the same package and subclasses in other packages.
Visibility only in the class where it is declared.
Correct Answer :
C. Visibility in all classes in the same package and subclasses in other packages.
Related Questions
EJBs can be of the following type(s)
None of the above
Entity Bean
Session Bean
Message-driven bean
All of the above
We can over load methods with differences only in their return type.
True
False
Frames and applets cannot be used together in the same program.
True
False
An individual array element that is passed to a method and modified in that method will contain the modified value when the called method completes execution.
True
False
A static class method can be invoked by simply using the name of the method alone.
True
False
What is java -g used for?
Using the jdb tool
Executing a class with optimization turned off
To provided information about deprecated methods
Non of the above
With javadoc, which of the following denotes a javadoc comment?
//#
/*
/**
//**
If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an <applet> tags?
number=getParameter(99)
<number==99>
<param = radius value ==99>
A package is a collection of
classes
interface
editing tools
classes and interfaces
Which of the following methods can be used to remove a component from the display?
remove()
desappear()
hide()
move()
executeUpdate automatically updates data because___________
auto commit is on, by default
It performs a hidden commit statement as well
Does not commit
None of the above.
Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
True
False
Connection, Statement are interfaces and ResultSet is a class.
True.
False.
In the code below, what data types the variable x can have?
byte b1 = 5;
byte b2 = 10;
x = b1 * b2;
int short
Throwing an exception always causes program termination.
True
False
The break statement is required in the default case of a switch selection structure.
True
False
Which of the following will produce a value of 10 if x = 9.7?
floor(x)
abs(x)
rint(x)
round(x)
A final class may not have any abstract method.
True
False
Give file is a file object, which of the following are legal statements to create a new file.
file.create();
FileOutputStream fos=new FileOutputStream(file);
FileInputStream fis=new FileInputStream(file);
all of the above
An EJB is a server-side component that encapsulates the business logic of an application
True
False
A string object can not be modified after it is created.
True
False
Objects are passed to a method by use of call-by-reference.
True
False
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
True
False
The default case is always required in the switch selection structure.
True
False
Which of the following statements are valid array declarations?
int number();
float average[];
double[] marks;
counter int[];
DataInput is
An abstract class defined is java.io.
A class we can use to read primitive data types.
An interface that defines methods to open files.
An interface that defines methods to read primitive data types.
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
The name of a Java program file must match the name of the class with the extension Java.
True
False
Session bean
Represents a single client inside the application server
Can not be shared
Is not persistent
Satisfies all of the above conditions
Declarations can appear anywhere in the body of a Java method.
True
False