Servlet has ___________
init method
doGet(------) method
All of the above methods.
Correct Answer :
C. All of the above methods.
Related Questions
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.
All methods in an abstract class must be declared abstract.
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
For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
True.
False.
The import statement is always the first no comment statement in a Java program files.
True
False
JdbcOdbcDriver is an object of Object class
True
False
Frames and applets cannot be used together in the same program.
True
False
Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
True
False
When we invoke repaint () for a Component, the AWT invokes the method:
draw()
update()
show()
paint()
A static class method can be invoked by simply using the name of the method alone.
True
False
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.
We can add more than one class(es) at the time of compilation Java Beans.
True.
False.
Declarations can appear anywhere in the body of a Java method.
True
False
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
Which of the following classes are available in the java.lang package?
Random
Stack
String Buffer
Vector
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.
Objects are passed to a method by use of call-by-reference.
True
False
The setBackground() method is part of the class
Applet
Component
Container
Object
EJBs can be of the following type(s)
None of the above
Entity Bean
Session Bean
Message-driven bean
All of the above
Two methods cannot have the same name in Java.
True
False
executeUpdate(------------) returns ___________
Nothing
Returns a ResultSet object
Returns an integer value to show the no. of updated rows
None of the above.
A method declared as static can not access non-static class members.
True
False
Which of the following string can be used as mode string for creating a RandomAccessFile object?
"rw"
"wr"
"0"
'w''
One the features of is that an array can store many different types of values.
True
False
The keywords reserved but not used in the initial version of Java re:
Synchronized
Boolean
union
goto
Any method in a supper class can be over ridden in its subclass.
True
False
The length of a string object 's1' can be obtained using the expression s1.length.
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
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");
A final class may not have any abstract method.
True
False