How can we identify whether a compilation unit is class or interface from a .class file?
A. Java source file header
B. Extension of compilation unit
C. We cannot differentiate between class and interface
D. The class or interface name should be postfixed with unit type
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
Join The Discussion