What happens if constructor of class A is made private?
A. Any class can instantiate objects of class A
B. Objects of class A can be instantiated only within the class where it is declared
C. Inherited class can instantiate objects of class A
D. classes within the same package as class A can instantiate objects of class A
Answer: Option B
This Question Belongs to Java Program >> Miscellaneous In Java
A. Factory Method
B. Singleton
C. Builder
D. Prototype
In Java, which keyword is used to explicitly call the superclass constructor?
A. parent()
B. extends
C. this()
D. super()
What is the output of the following code snippet in Java? `System.out.println("5 + 2 = " + 5 + 2);`
A. 5 + 2 = 7
B. 7
C. 5 + 2 = 52
D. Compilation Error
What is the purpose of the `hashCode()` method in Java's Object class?
A. To execute SQL queries
B. To return a unique identifier for an object
C. To create JavaBeans
D. None of These
Join The Discussion