Creating a class in java using Netbeans IDE | OOP | Object Oriented Programming | Constructors

Pubblicato il: 21 giugno 2026
sul canale di: AmirBukhari

#class
#oop
#java
#netbeans

00:00 Start
00:07 OOP
01:01 class
01:18 object & class
03:30 attributes/characteristics/properties/field
04:49 Methods
05:50 Class Diagrams / Notations
07:33 creating a project in NetBeans
09:32 creating a class
11:55 getter / setters
17:39 constructor / default
21:40 parametrized constructor

/////////////////////////////////CODE//////////////////////////////////////////////
package classdemo2;

public class ClassDemo2
{
public static void main(String[] args)
{
Calculate c1 = new Calculate();
c1.setn1(45);
c1.setn2(55);

double r =c1.getResult();
System.out.println("Result = " + r);
System.out.println("Result = " + c1.getResult());

System.out.println("//////////////////////////////////");

Calculate c2 = new Calculate();
System.out.println("Result = " + c2.getResult());

System.out.println("//////////////////////////////////");

Calculate c3 = new Calculate(3,9);
System.out.println("Result = " + c3.getResult());

}
}

class Calculate
{
private double number1;
private double number2;
private double result;

public Calculate()
{
number1 = number2 = 0;
}
public Calculate(double n1, double n2)
{
number1 = n1;
number2 = n2;
}

public void setn1(double n1)
{
number1 = n1;
}
public void setn2(double n2)
{
number2 = n2;
}
public double getResult()
{
result = number1 + number2;
return result;
}

}
/////////////////////////////////CODE//////////////////////////////////////////////

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