javah stands for ?
javah stands for ?
A. java dissasamebler
B. java header file
C. java interpreter
D. java compiler
Java concepts and its programming
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Which method of the Applet class displays the result of applet code on screen ?
Which method of the Applet class displays the result of applet code on screen ?A. paint() method
B. main() method
C. run() method
D. drawString() method -
Which of the following command is used to compile the Java program ?
Which of the following command is used to compile the Java program ?A. java
B. javac
C. javap
D. none of these -
Size of int in Java is_________________?
Size of int in Java is_________________?A. 8 bit
B. 16 bit
C. 32 bit
D. 64 bit -
Which method executes only once ?
Which method executes only once ?A. stop() method
B. start() method
C. init() method
D. destroy() method -
What is the output for the below code ? public class Test{public static void main(String[] args){int i = 010; int j = 07;System.out.println(i); System.out.println(j); } } ?
What is the output for the below code ? public class Test{public static void main(String[] args){int i = 010; int j = 07;System.out.println(i); System.out.println(j); } } ?A. 7 8
B. 8 7
C. 9 8
D. None -
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct ?
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct ?A. From within protected methods you do not have access to public methods.
B. This method is only accessible from inside the class itself and from inside all subclasses.
C. In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.
D. This method is accessible from within the class itself and from within all classes defined in the same package as the class itself. -
How many transaction isolation levels are defined in java.sql.Connection interface ?
How many transaction isolation levels are defined in java.sql.Connection interface ?A. 6
B. 2
C. 5
D. 3 -
JIT meaning ?
JIT meaning ?A. just in time
B. java in time
C. join in time
D. none of above -
Runnable is_______________?
Runnable is_______________?A. Interface
B. Class
C. Variable
D. Method