JAVA EE: Java Tutorial : What is an Object[Student]?

Thursday, 13 August 2015

Java Tutorial : What is an Object[Student]?

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Java Tutorial : What is an Object[Student]?

Student.java

/**
 * Student class is the blueprint from which individual student objects can be
 * created.
 */
public class Student
{
    String name;
    int age;
    String color;
    String sex;

    public void eating(String string)
    {
        System.out.println(name + " "+ string);
    }

    public void drinking(String string)
    {
        System.out.println(name + " "+ string);
    }

    public void running(String string)
    {
        System.out.println(name + " "+ string);
    }
}

StudentDemo.java

public class StudentDemo
{
    public static void main(String[] args)
    {

        Student peter = new Student();

        /*
         * Setting States/Attributes/Properties/Characteristics.
         */
        peter.name = "Peter";
        peter.age = 3;
        peter.color = "white";
        peter.sex = "male";

        displayStudentInformation(peter);
        
        System.out.println("\nBehaviors");
        System.out.println("----------");
        
        peter.eating("can eat more foods");
        peter.drinking("can drink more water");
        peter.running("can run fast");
        
        System.out.println("*********************************************");
        
        Student john = new Student();

        /*
         * Setting States/Attributes/Properties/Characteristics.
         */
        john.name = "John";
        john.age = 4;
        john.color = "brown";
        john.sex = "male";

        displayStudentInformation(john);
        
        System.out.println("\nBehaviors");
        System.out.println("----------");
        
        john.eating("can eat less foods");
        john.drinking("can drink more water");
        john.running("can run slow");
        
        System.out.println("*********************************************");
        
        
        Student julia = new Student();

        /*
         * Setting States/Attributes/Properties/Characteristics.
         */
        julia.name = "Julia";
        julia.age = 2;
        julia.color = "white";
        julia.sex = "female";

        displayStudentInformation(julia);
        
        System.out.println("\nBehaviors");
        System.out.println("----------");
        
        julia.eating("can eat less foods");
        julia.drinking("can drink less water");
        julia.running("can run fast");
        
        System.out.println("*********************************************");
        

    }

    private static void displayStudentInformation(Student student)
    {
        System.out.println("Attributes");
        System.out.println("--------------");

        System.out.println("Name : " + student.name);
        System.out.println("Age : " + student.age);
        System.out.println("Color : " + student.color);
        System.out.println("sex : " + student.sex);

    }

}

Output

Attributes
--------------
Name : Peter
Age : 3
Color : white
sex : male

Behaviors
----------
Peter can eat more foods
Peter can drink more water
Peter can run fast
*********************************************
Attributes
--------------
Name : John
Age : 4
Color : brown
sex : male

Behaviors
----------
John can eat less foods
John can drink more water
John can run slow
*********************************************
Attributes
--------------
Name : Julia
Age : 2
Color : white
sex : female

Behaviors
----------
Julia can eat less foods
Julia can drink less water
Julia can run fast
*********************************************