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What is true about private constructor ?
Anonymous Quiz
36%
Private constructor ensures only one instance of a class exist at any point of time
23%
Private constructor ensures multiple instances of a class exist at any point of time
24%
Private constructor eases the instantiation of a class
17%
Private constructor allows creating objects in other classes
What would be the behaviour if this() and super() used in a method
Anonymous Quiz
42%
Runs successfully
32%
compile time error
12%
Runtime error
14%
Throws exception
What is true about constructor
Anonymous Quiz
21%
Constructor cannot throw an exception
24%
It can contain return type
21%
It can have any non access modifiers
34%
It can take any number of parameters
What is true about protected constructor
Anonymous Quiz
34%
protected constructor can be instantiated even if child is in a different package
19%
Protected constructor can be used outside package
28%
Protected constructor can only be called using super()
18%
Protected constructor can be called directly
What is not the use of “this” keyword in Java ?
Anonymous Quiz
29%
Passing itself to method of the same class
29%
Referring to the instance variable when local variable has the same name
21%
Calling another constructor in constructor chaining
21%
Passing itself to another method
What would be the behaviour if one parameterized constructor is explicitly defined
Anonymous Quiz
21%
Runtime error
50%
Compilation succeed but at time of creating object using default constructor it compilation error
19%
Compilation succeeds
10%
Compilation error
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What type of relationship exists between someMeth in classes A and someMeth in class B
Anonymous Quiz
27%
Method overloading
29%
Method overriding
25%
Both method overriding and method overloading
19%
Neither method overriding nor method overloading
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