JAR file contains the compressed version of_________________?
A. .java file
B. .jsp file
C. .class file
D. None of above
Java concepts and its programming
x=x+1 is equivalent to _________________?
x=x+1 is equivalent to _________________?
A. x++
B. ++x
C. x=x-1
D. None of these
Package of drawstring() method is _________________?
Package of drawstring() method is _________________?
A. java.awt
B. javax.swing
C. java.applet
D. java.io
Which of the following below are valid isolation levels in J2EE ?
Which of the following below are valid isolation levels in J2EE ?
A. TRANSACTION_READ_UNCOMMITTED
B. TRANSACTION_SERIALIZABLE
C. Only A
D. Both A and B
What will the output of the following program? public class Test{ public static void main(String args[]){float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); } } ?
What will the output of the following program? public class Test{ public static void main(String args[]){float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); } } ?
A. 0
B. 1
C. 2
D. 3
Process of creating exact copy of the existing object is called_______________?
Process of creating exact copy of the existing object is called_______________?
A. overloading
B. overriding
C. cloning
D. cog
If method have same name as class name and method don’t have any return type then it is known as______________?
If method have same name as class name and method don’t have any return type then it is known as______________?
A. Constructor
B. Destructors
C. Variable
D. Object
Which metrhods are utilized to control the access to an object in multi threaded programming ?
Which metrhods are utilized to control the access to an object in multi threaded programming ?
A. Synchronized methods
B. Asynchronized methods
C. Serialized methods
D. None of above
The smallest integer type is _____________ and its size is____________ bits?
The smallest integer type is _____________ and its size is____________ bits?
A. short, 8
B. byte, 8
C. short, 16
D. short, 16
Which keyword is used while using interface________________?
Which keyword is used while using interface________________?
A. throw
B. throws
C. extend
D. implements