Members of a class specified as private are accessible only to the methods of the class.
True
False
Correct Answer :
A. True
Related Questions
For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
True.
False.
One the features of is that an array can store many different types of values.
True
False
Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
True
False
Which exception is thrown by the read() method of InputStream class?
IOException
FileNotFoundException
ReadException
None of the above
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.
When we implement the Runnable interface, we must define the method
start()
init()
runnable()
run()
A JSP file can be stored_________________
With the extension .jsp in servlets folder of the jws
With the extension .html in public_html folder of the jws
With the extension .jsp in public_html folder of the jws
None of the above.
executeUpdate(------------) returns ___________
Nothing
Returns a ResultSet object
Returns an integer value to show the no. of updated rows
None of the above.
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.
It is an error to have a method with the same signature in both the super class and its subclass.
True
False
Objects are passed to a method by use of call-by-reference.
True
False
Throwing an exception always causes program termination.
True
False
When we implement an interface method, it should be declared as public.
True
False
If m and n are int type variables, what will be the result of the expression
'm % n' when m = -14 and n = -3?
4
2
-2
-4
Any method in a supper class can be over ridden in its subclass.
True
False
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?
x = ((x < y) ? (y + x) : (y - x);
25
15
5
Error can't be executed.
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
All the bitwise operators have the same level of precedence in Java.
True
False
A catch can have comma-separated multiple arguments.
True
False
Members of a class specified as private are accessible only to the methods of the class.
True
False
The methods wait() and noify() are defined in
java.lang.Thread
java.lang.Runnable
java.lang.Object
java.lang.ThreadGroup
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>
forName() is a static factory method
True
False
To delete a file, we can use an instance of class file.
True
False
The programmer must explicitly create the system .in and system .out objects.
True
False
A final class may not have any abstract method.
True
False
A class may be both abstract and final.
True
False
Servlet has ___________
init method
doGet(------) method
All of the above methods.
The keywords reserved but not used in the initial version of Java re:
Synchronized
Boolean
union
goto
With javadoc, which of the following denotes a javadoc comment?
//#
/*
/**
//**