Calling A Class From Another Class In Java

Computer Systeam answered on December 22, 2020 Popularity 10/10 Helpfulness 1/10

answer Calling A Class From Another Class In Java

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Calling A Class From Another Class In Java

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class ClassComposition
{
    public static void main(String arg[])
    {
        Room hall = new Room("Hall"); // LINE A
        hall.area = 200.0;
        hall.paintColor = "Voilet";
        hall.flooring = "Marble";
        
        hall.ceilingFan = new Fan("Bajaj"); // LINE B
        hall.ceilingFan.speed = 500;     // LINE B1
        hall.ceilingFan.numberOfSpeeds = 5;
        
        hall.tube = new Light("Hall tube light"); // LINE C
        hall.tube.color = "White";
        hall.tube.watts = 40;
        hall.tube.tube = true;    // LINE C1
        
        Light bl = new Light("Yellow bed light"); // LINE D
        hall.bedLight = bl;
        hall.bedLight.color = "Yellow";
        hall.bedLight.watts = 50;
        hall.bedLight.tube = false;
        
        System.out.println("Hall fan speed : " + hall.ceilingFan.speed);
        System.out.println("Bed Light color : " + hall.bedLight.color);    
    }
}

class Fan
{
    String name;
    double speed;
    String color;
    int numberOfSpeeds;

    Fan(String name)
    {
        this.name = name;
    }
}

class Light
{
    String name;
    String color;
    int watts;
    boolean tube;

    Light(String name)
    {
        this.name = name;
    }
}

class Room
{
    String name;
    double area;
    String paintColor;
    String flooring;
    Fan ceilingFan;
    Light tube;
    Light bedLight;

    Room(String name)
    {
        this.name = name;
    }
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: java.meritcampus.com

Tags: class java

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Contributed on Jul 10 2022

Computer Systeam

0 Answers Avg Quality 2/10

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can we create a class inside a class in java

Comment

Yes you can

class OuterClass {
   class InnerClass {
   }
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: class clas

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Contributed on Apr 09 2021

Devil

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java call method from another class example

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public class method{
  public static void sayHello(){
    System.out.println("Hello World");
  }
}
public class app{
  public static void main(String[] args){
    method m = new method(); // Creating an instance from our class
    m.sayHello(); // using the class methods by the instance we created.
  }
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: call

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Contributed on Jun 18 2021

Programming Is Fun

0 Answers Avg Quality 2/10

how to access methods from another class in java

Comment

public class Alpha extends Beta{
     public void DoSomethingAlpha() {
          DoSomethingBeta();  //?
     }
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: stackoverflow.com

Tags: class clas

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Contributed on Dec 22 2020

Important Ibis

0 Answers Avg Quality 2/10

Calling A Class From Another Class In Java

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Calling A Class From Another Class In Java

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can we create a class inside a class in java

java call method from another class example

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