
OOP_1
Authored by Arti Sonawane
Engineering
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will str1==str2 return if both refer to the same string literal?
true
false
compilation error
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a constructor?
To destroy objects
to call methods
to initialise object
to inherit classes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is an incorrect array declaration?
int arr[] = new int[5]
int [] arr = new int[5]
int arr[] = new int[5]
int arr[] = int [5] new
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which access modifier makes a member accessible within the same package?
public
private
protected
default(no modifier)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the static keyword mean in a method declaration?
The method belongs to an object
The method can only be called once
The method belongs to the class, not instances
The method cannot be accessed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is constructor overloading?
Having multiple constructors with different names
Having multiple constructors with different return types
Having multiple constructors with different parameters
Having a constructor inside a method
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these method of String class can be used to test to strings for equality?
isequal()
isequals()
equal()
equals()
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