class.forName(...) creates an instance of java ODBC driver
True
False
Correct Answer :
A. True
Related Questions
The check box group class is a subclass of the component class.
True
False
Which of the following methods can be used to remove a component from the display?
remove()
desappear()
hide()
move()
When we invoke repaint () for a Component, the AWT invokes the method:
draw()
update()
show()
paint()
A method declared as static can not access non-static class members.
True
False
It is an error to catch the same type of exception in two different catch blocks associated with a particular try block.
True
False
Which of the following methods can be used to draw the outline of a square?
fillRect()
drawLine()
drawString()
all of the above
Any method in a supper class can be over ridden in its subclass.
True
False
When the string objects are compared with ==, the result is true If the strings contain the same values.
True
False
Members of a class specified as private are accessible only to the methods of the class.
True
False
A final class may not have any abstract method.
True
False
An EJB is a server-side component that encapsulates the business logic of an application
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");
In RMI we invoke client method from remote server
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
In a single Servlet class we can use____________
doGet(...) method only
doPost(...) method only
doGet(...) method and doPost(...) method both at a time.
Either 'a' or 'b'
A constructor must always invoke its supper class constructor in its first statement.
True
False
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.
JSP files creates ________________
html files
html files and java files
java files and class files
None of the above.
Which of the following statements are true?
UTF characters are all 24 bits.
Reader class has methods that can read integers and floats.
Unicode characters are all 16 bits.
all of the above
The keywords reserved but not used in the initial version of Java re:
Synchronized
Boolean
union
goto
A catch can have comma-separated multiple arguments.
True
False
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
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 Java monitor must either extend thread class or implement Runnable interface.
True
False
Which of the following classes are available in the java.lang package?
Random
Stack
String Buffer
Vector
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
True
False
A package is a collection of
classes
interface
editing tools
classes and interfaces
forName() is a static factory method
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
The name of the RMI compiler is ___________
rmicom
rmic
jrmi
none of the above