Object: A variable or any element is considered as an object when it has states and behaviors. It is the commodity or entity which is created to perform the tasks according to the plan. Class: In simple words, class can be defined as a template or blueprint that describes the state or behavior of the object. Class is also defined as the idea or plan or structure of a real-world entity. Relationship between a class and object: Class defines the properties or methods of the objects which is represented by abstraction. An object exhibits the methods and properties defined by the class. Therefore, an object is also known as an instance of a class. Primitive data types: A data type refers to the type of data which a variable holds in memory. Primitive data types are compiler dependent and are fixed in size. Users will select the data types depending on the requirements of the data stored in memory. Users cannot change the data type size and fixed range of values. Some of the basic primitive data types provided by the Java language is as follows: Data Type Size (in bytes) byte 1 short 2 int 4 long 8 float 4 double 8

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Chapter 3.1, Problem 3.2CP

Program Plan Intro

Object:

A variable or any element is considered as an object when it has states and behaviors. It is the commodity or entity which is created to perform the tasks according to the plan.

Class:

In simple words, class can be defined as a template or blueprint that describes the state or behavior of the object. Class is also defined as the idea or plan or structure of a real-world entity.

Relationship between a class and object:

Class defines the properties or methods of the objects which is represented by abstraction.

An object exhibits the methods and properties defined by the class.

Therefore, an object is also known as an instance of a class.

Primitive data types:

A data type refers to the type of data which a variable holds in memory.

Primitive data types are compiler dependent and are fixed in size.

Users will select the data types depending on the requirements of the data stored in memory. Users cannot change the data type size and fixed range of values.

Some of the basic primitive data types provided by the Java language is as follows:

Data Type Size (in bytes)
byte 1
short 2
int 4
long 8
float 4
double 8

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