DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
True.
False.
Correct Answer :
B. False.
Related Questions
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
Which of the following methods can be used to draw the outline of a square?
fillRect()
drawLine()
drawString()
all of the above
Which of the following command lines options generates documentation for all classes and methods?
-protected
-public
-private
-encoding
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)
In the code below, what data types the variable x can have?
byte b1 = 5;
byte b2 = 10;
x = b1 * b2;
int short
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
Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
True
False
It is perfectly legal to assign a subclass object to a supper class reference.
True
False
A constructor must always invoke its supper class constructor in its first statement.
True
False
In order to connect to a database through java program we must create _______-
Connection, Statement, ResultSet
Connection, ResultSet
Statement< ResultSet
Connection, Statement
A class may be both abstract and final.
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
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.
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.
The setBackground() method is part of the class
Applet
Component
Container
Object
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.
Members of a class specified as private are accessible only to the methods of the class.
True
False
When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
True
False
When the string objects are compared with ==, the result is true If the strings contain the same values.
True
False
A Java monitor must either extend thread class or implement Runnable interface.
True
False
In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean expressions are not always evaluated.
True
False
What is error in the following class definitions?
abstract class xy {
abstract sum(int x, int y) {
}
}
abstract sum(int x, int y) {
}
}
class header is not define properly
constructor is no defined
method is not defined properly
no error
Servlet can have ___________
get method and post method
get method or post method
Either of the above
Objects are passed to a method by use of call-by-reference.
True
False
A final class may not have any abstract method.
True
False
The check box group class is a subclass of the component class.
True
False
Connection, Statement are interfaces and ResultSet is a class.
True.
False.
A panel can not be added to another panel.
True
False
One the features of is that an array can store many different types of values.
True
False
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>