Object-Oriented Programming I Review

Which of the following is a valid way of printing with placeholders?

• System.out.printf("%f", 9.9);

• System.out.println("%f", 9.9);

• System.out.print("%f", 9.9);

• System.out.printline("%f", 9.9);

One of the main principles of OOP defined as the mechanism of hiding of data implementation by restricting access to public methods.

• Encapsulation
• Inheritance
• Polymorphism
• Abstraction

One of the main principles of OOP which expresses a “is-a” and/or “has-a” relationship between two objects.

• Inheritance
• Polymorphism
• Encapsulation
• Abstraction

It means "one name, many forms".

• Polymorphism
• Encapsulation
• Inheritance
• Abstraction

One of the principles of OOP that express the intent of the class rather than the actual implementation.

• Abstraction
• Inheritance
• Polymorphism
• Encapsulation

A non-access modifier that doesn't allow any changes.

• abstract

• synchronized

• final

• static

A non-access modifier that makes the attribute dependent on a class.

• static
• final
• synchronized

• abstract

Which of the following are included in the scope of the private (-) access modifier?

• same class

• same package

• different package subclass

• different package non-subclass

Which of the following are included in the scope of the default (package-private) access modifier?

• same class

• same package

• different package subclass

• different package non-subclass

Which of the following are included in the scope of the public (+) access modifier?

• same class

• same package

• different package subclass

• different package non-subclass