Java Program to Find Volume of Cylinder

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In the previous article we have discussed Java Program to Find Area and Perimeter of Trapezium

In this article we will discuss about how to find volume of cylinder.

Program to Find Volume of Cylinder

Before going into the program, let’s see how we find the volume of cylinder.

Formula for Volume of Cylinder = pie * (r*r) * h

Where,

  • ‘r‘ represents the radius of cylinder.
  • ‘h‘ represents the height of cylinder.

Let’s see different ways to find volume of cylinder.

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Approach:

  1. Take input/declare the height, radius of cylinder.
  2. Then calculate the volume by using the formula.

Method-1: Java Program to Find Volume of Cylinder By Using Static Value

import java.util.*;

public class Main
{  
    public static void main(String args[])  
    {  
    //height of cylinder declared
    int height=8;  
    //radius of cylinder declared
    int radius=5; 
    //pie vlaue declared
    double pie=3.14285714286;
    //calculating volume of cylinder
    double volume = pie * radius * radius * height;  
        System.out.println("Volume of cylinder="+volume);  
    }  
}
Output:

Volume of cylinder=628.5714285720001

Method-2: Java Program to Find Volume of Cylinder By User Input Value

import java.util.*;

public class Main
{  
    public static void main(String args[])  
    {  
        Scanner sc = new Scanner(System.in);
        
        // Take height input from user
        System.out.println("Enter Height of Cylinder");
        double height = sc.nextDouble();
        
        // Take radius input from user
        System.out.println("Enter radius of Cylinder : ");
        double radius = sc.nextDouble();
        
        //pie vlaue declared
        double pie=3.14285714286;
        
        //calculating volume of cylinder
        double volume = pie * radius * radius * height;  
        System.out.println("Volume of cylinder="+volume);  
    }  
}
Output:

Enter Height of Cylinder : 8
Enter radius of Cylinder : 5
Volume of cylinder=628.5714285720001

Method-3: Java Program to Find Volume of Cylinder By User Defined Method

import java.util.*;

public class Main
{  
    public static void main(String args[])  
    {  
        Scanner sc = new Scanner(System.in);
        
        // Take height input from user
        System.out.println("Enter Height of Cylinder : ");
        double height = sc.nextDouble();
        
        // Take radius input from user
        System.out.println("Enter radius of Cylinder : ");
        double radius = sc.nextDouble();
        //findVolume() method called to find volume of cylinder
        findVolume(height,radius);
    }
    
    //findVolume() method
    public static void findVolume(double height,double radius)
    {
        //pie vlaue declared
        double pie=3.14285714286;
        
        //calculating volume of cylinder
        double volume = pie * radius * radius * height;  
        System.out.println("Volume of cylinder="+volume);  
    }  
}
Output:

Enter Height of Cylinder : 8
Enter radius of Cylinder : 5
Volume of cylinder=628.5714285720001

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