What is true about private constructor?
A. Private constructor ensures only one instance of a class exist at any point of time
B. Private constructor ensures multiple instances of a class exist at any point of time
C. Private constructor eases the instantiation of a class
D. Private constructor allows creating objects in other classes
Answer: Option A
This Question Belongs to Java Program >> Constructors And Methods
What is a constructor in Java?
A. A special method to create instances of classes
B. A method used for mathematical calculations
C. A method to perform string manipulations
D. An exception handling mechanism
In Java, which method is automatically called when an object is created?
A. start()
B. main()
C. init()
D. constructor()
What is method overloading in Java?
A. Defining multiple methods with the same name in the same class
B. Calling methods from another class
C. Using methods to load data from a file
D. Running methods in parallel threads
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