An object represents an entity in the real world that can be distinctly identified.

What represents an entity in the real world that can be distinctly identified?

Explanation: An object represents an entity in the real world that can be distinctly identified. A class may define an object. 2.

What is true constructor?

What is true about constructor? Explanation: Constructor returns a new object with variables defined as in the class. Instance variables are newly created and only one copy of static variables are created. Explanation: No instance can be created of abstract class.

What is a template that defines objects of the same type?

Class. A template, blueprint, or contract that defines objects of the same type.

What modifier should you use on a variable so that it can only be referenced inside its defining class?

At the member level, you can also use the public modifier or no modifier (package-private) just as with top-level classes, and with the same meaning. For members, there are two additional access modifiers: private and protected . The private modifier specifies that the member can only be accessed in its own class.

Which of the following is the real life entity?

Any real world entity which can have some characteristics or which can perform some tasks is called as Object. This object is also called an instance i.e. a copy of entity in programming language.

What is the meaning of the keyword this and how can the keyword be used check all that apply?

The this keyword refers to the current object in a method or constructor. The most common use of the this keyword is to eliminate the confusion between class attributes and parameters with the same name (because a class attribute is shadowed by a method or constructor parameter).

What is garbage collection in the context of Java?

Java garbage collection is the process of releasing unused memory. Sometimes some objects are no longer required by the program and when there is no reference to an object, then that object should be released. This process is known as garbage collection.

Which of the following is a garbage collection technique?

Which of the following is a garbage collection technique? Explanation: A mark and sweep garbage collection consists of two phases, the mark phase and the sweep phase. I mark phase all the objects reachable by java threads, native handles and other root sources are marked alive and others are garbage.

What is invoked to create an object?

Every object belongs to some object type; that is, it is an instance of some class. When you invoke new to create an object, Java invokes a special method called a constructor to initialize the instance variables. You provide one or more constructors as part of the class definition.

Which of the following method definitions can a descriptor have?

Definition of descriptor :

If any of those methods are defined for an object, it can be termed as a descriptor. A descriptor is a mechanism behind properties, methods, static methods, class methods, and super() .

How can we check whether the object is instance of class or not let us consider an object O which is instance of class B?

The Python’s isinstance() function checks whether the object or variable is an instance of the specified class type or data type.

What does Protected mean in Java?

Protected keyword in Java refers to one of its access modifiers. The methods or data members declared as protected can be accessed from: Within the same class. Subclasses of same packages. Different classes of same packages.

How can a protected modifier be accessed?

4. How can a protected modifier be accessed? Explanation: The protected access modifier is accessible within package and outside the package but only through inheritance.

What is block scope in Java?

Block Scope

A block of code may exist on its own or it can belong to an if , while or for statement. In the case of for statements, variables declared in the statement itself are also available inside the block’s scope.

Which is not real world entity?

Objects are real world entities while classes are not real. B. Classes are real world entities while objects are not real.

Is the world an entity?

An entity is something that exists separately from other things and has a clear identity of its own. the earth as a living entity.

How is real world entity represented in software terms?

You can represent real-world objects by using software objects. Explanation: These real-world objects share two characteristics: They all have state and behavior. For example, dogs have state (name, color, breed, hungry) and behavior (barking, fetching, and wagging tail).