…………… is the technique of binding both data and methods together to keep them safe from unauthorised access and misuse.

1. Abstraction
2. Inheritance
3. Encapsulation
4. Polymorphism

A member variable declared with a public access specifier has visibility in …………… .

1. Class
2. Package
3. Subclass
4. All of these

A member variable declared with a private access specifier has visibility only in the …………… .

1. Class
2. Package
3. Subclass
4. All of these

A member variable declared with no access specifier has visibility in …………… .

1. Class and package only
2. Class, package and subclass only
3. Class and subclass only
4. Class only