Quiz2

With respect to access modifier overridden, the right order is:

Which modifiers on instance variables will announce to the compiler that these variables are not stored as part of its object's persistent state.

Select an operation which may cause an unchecked exception.

Select the correct syntax for throwing an exception when declaring a method.

Select incorrect Java program entry point declarations. (1) public static void main() (2) public static void main(String [] args) (3) public static void main(String args[]) (4) public static void main(string [] args) (5) public static void main(String args)

Select correct statements. (1) A public member of a class can be accessed in all classes. (2) A default member of a class can be accessed in all classes. (3) A protected member of a class can be accessed in the package containing this class. (4) A private member of a class can be accessed in the package containing this class.

Which of the following Java operations cause compile-time errors? Int m=5, n=7; float x = m; //1 double y= n; //2 m = y; // 3 n = x; // 4

If the following code is executed. What is the output? int[] a= {1,2,3,4}; System.out.println(a[6]);

If a Java source code contains an assert as an identifier and it will be compiled with JDK version 1.4 or higher, ….

Which of the following statements are true? 1)An abstract class can not have any final methods. 2)A final class may not have any abstract methods.

When a negative byte is cast to a long, what are the possible values of the result?

Suppose a method called finallyTest() method consisting of a try block, followed by a catch block, followed by a finally block. Assuming the JVM doesn’t crash and the code does not execute a System.exit() call, under what circumstances will the finally block not begin to execute?

Java compiler allows …….

Errors beyond the control of a program are called .........

What is NOT a unary operator?

What is NOT a comparison operator?

A method in a super class is implemented using the default modifier, this method can not be overridden in subclasses using the ….. modifier.

A …. Method is implemented in a super class can not be overridden in derived classes.

The try… catch statements must be used to contain statements that ……

Which of the following modifiers is not an access modifier?

Which of the following declarations is not correct?

Which of the following statement is not correct about default access modifier?

Which of the following statement is NOT correct about protected access modifier?

Int x=2; //1 long z=3; //2 double t=5.4;//3 x=t; //4 z=x; //5 Which statement causes an error?

Which of the following declarations is not valid?

Which of the following modifiers can assure that a class is not inherited by other classes?

The protected modifier cannot be applied to which of the following declarations?

Which of the following modifiers is valid for a constructor?

Which of the following modifiers does not allow a method to be overridden?

Which of the following access modifiers does not allow a class to be accessed outsite its package?

When handling exceptions, how many catch{} blocks can be used for one try{} block?

Which of the following statements is correct?

The default access modifier in Java is …….

The private and protected modifiers are not applied on .....

Study the following Java code: int n= 256; byte x= (byte) n; Suppose that the above code is executed, the value of the variable x is ……

Which of the following modifiers cannot be applied for a class?

Which of the following modifiers cannot be applied for interface and abstract classes?

Which of the following access modifiers makes a class cannot be inherited?

Which of the following modifiers makes a variable can be modified asynchronously?