PLEASE SOLVE FAST Which keyword is used to explicitly call the constructor of th

Question

PLEASE SOLVE FAST

Which keyword is used to explicitly call the constructor of the superclass?
Select one:
a. final
b. super
c. const
d. extends

A stack works in which of the follwoing ways:
Select one:
a. Last in - Last out
b. First in - Second out
c. First in - First out
d. Last in - First out

.
;int count = 0
}(while (count < 100
Point A//
++System.out.println("Welcome to Java!"); count
Point B//
;{
Point C//
Select one:
a. count < 100 is always true at Point C
b. count < 100 is always false at Point A
c. count < 100 is always false at Point C
d. count < 100 is always true at Point B

____________ is invoked when we create an object of a class.
Select one:
a. A method with the void return type
b. A constructor
c. The main method
d. A method with a return type

What kind of class cannot be instantiated as an object?
Select one:
a. super class
b. abstract class
c. public class
d. private class

Which option is correct about recurssion?
Select one:
a. You don't need to use the best case in all recursive solutions.
b. If you cannot break the program into smaller subprograms like the original one, you can still use recurssion.
c. To solve a problem using recursion, you use recursion class in Java library.
d. Every recursive call reduces the original problem, bringing it increasingly closer to a base case until it becomes that case

Given the declaration Circle x = new Circle(), which of the following statement is most accurate.
Select one:
a. x contains a reference to a Circle object.
b. x contains an int value.
c. x contains an object of the Circle type.
d. You can assign an int value to x.

Which of the following is true?
Select one:
a. A finally block is executed before the catch block but after the try block.
b. A finally block is executed whether an exception is thrown or not.
c. A finally block is executed, only if an exception occurs.
d. A finally block is executed, only after the catch block is executed.

A subclass can access _____________ from its superclass.
Select one:
a. private methods
b. protected methods
c. public methods
d. both protected and public methods

What exception type does the following program throw?
public class Test {
public static void main(String[] args) {
Object o = null;
System.out.println(o.toString());
}
}
Select one:
a. ArithmeticException
b. ArrayIndexOutOfBoundsException
c. ClassCastException
d. NullPointerException

Which statement is not true in java language?
Select one:
a. A protected member of a class can be accessed from its derived class.
b. A private member of a class cannot be accessed by the methods of the same class.
c. A public member of a class can be accessed in all the packages.
d. A private member of a class cannot be accessed from its derived class.

Which of the following is not true?
Select one:
a. An interface can extend another interface.
b. An interface is a solution for multiple inheritance in java.
c. An interface can implement another interface.
d. A class which is implementing an interface must implement all the methods of the interface.

When you invoke a method with a parameter, the value of the argument is passed to the parameter. This is referred to as _________.
Select one:
a. pass by reference
b. method invocation
c. pass by name
d. pass by value

Explanation / Answer

Which keyword is used to explicitly call the constructor of the superclass?
Select one: b
a. final
b. super
c. const
d. extends
A stack works in which of the follwoing ways:
Select one: d
a. Last in - Last out
b. First in - Second out
c. First in - First out
d. Last in - First out

.
;int count = 0
}(while (count < 100
Point A//
++System.out.println("Welcome to Java!"); count
Point B//
;{
Point C//
Select one: Not clear Question
a. count < 100 is always true at Point C
b. count < 100 is always false at Point A
c. count < 100 is always false at Point C
d. count < 100 is always true at Point B
____________ is invoked when we create an object of a class.
Select one: b
a. A method with the void return type
b. A constructor
c. The main method
d. A method with a return type
What kind of class cannot be instantiated as an object?
Select one: b
a. super class
b. abstract class
c. public class
d. private class
Which option is correct about recurssion?
Select one: d
a. You don't need to use the best case in all recursive solutions.
b. If you cannot break the program into smaller subprograms like the original one, you can still use recurssion.
c. To solve a problem using recursion, you use recursion class in Java library.
d. Every recursive call reduces the original problem, bringing it increasingly closer to a base case until it becomes that case
Given the declaration Circle x = new Circle(), which of the following statement is most accurate.
Select one:c
a. x contains a reference to a Circle object.
b. x contains an int value.
c. x contains an object of the Circle type.
d. You can assign an int value to x.
Which of the following is true?
Select one: b
a. A finally block is executed before the catch block but after the try block.
b. A finally block is executed whether an exception is thrown or not.
c. A finally block is executed, only if an exception occurs.
d. A finally block is executed, only after the catch block is executed.

A subclass can access _____________ from its superclass.
Select one: d
a. private methods
b. protected methods
c. public methods
d. both protected and public methods
What exception type does the following program throw?
public class Test {
public static void main(String[] args) {
Object o = null;
System.out.println(o.toString());
}
}
Select one: d
a. ArithmeticException
b. ArrayIndexOutOfBoundsException
c. ClassCastException
d. NullPointerException
Which statement is not true in java language?
Select one: b
a. A protected member of a class can be accessed from its derived class.
b. A private member of a class cannot be accessed by the methods of the same class.
c. A public member of a class can be accessed in all the packages.
d. A private member of a class cannot be accessed from its derived class.
Which of the following is not true?
Select one:c
a. An interface can extend another interface.
b. An interface is a solution for multiple inheritance in java.
c. An interface can implement another interface.
d. A class which is implementing an interface must implement all the methods of the interface.
When you invoke a method with a parameter, the value of the argument is passed to the parameter. This is referred to as _________.
Select one: d
a. pass by reference
b. method invocation
c. pass by name
d. pass by value

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.