Ridhiverma, Java - rextester

Ridhiverma

//JAVA LAB-Q1- Write a Java Program to define a class, describe its constructor, overload the Constructors and instantiate its object 
//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_111

import java.util.*;
import java.lang.*;

class Rextester

{  
    public static void main(String args[])
    {
        Box mybox1 = new Box(10, 20, 15); 
		Box mybox2 = new Box(); 
		Box mycube = new Box(7);

double vol; 
                         System.out.println(" AIM : Java Program to define a class, describe its constructor, overload the Constructors and instantiate its object  ");
                         System.out.println(" NAME : RIDHI VERMA");
                         System.out.println(" ROLLNO : 179035");

// get volume of first box 
		vol = mybox1.volume(); 
		System.out.println(" Volume of mybox1 is " + vol);

// get volume of second box 
		vol = mybox2.volume(); 
		System.out.println(" Volume of mybox2 is " + vol);

// get volume of cube 
		vol = mycube.volume(); 
		System.out.println(" Volume of mycube is " + vol); 
    }
}
// Java program to illustrate 
// Constructor Overloading 
class Box 
{ 
	double width, height, depth;

// constructor used when all dimensions 
	// specified 
	Box(double w, double h, double d) 
	{ 
		width = w; 
		height = h; 
		depth = d; 
	}

// constructor used when no dimensions 
	// specified 
	Box() 
	{ 
		width = height = depth = 0; 
	}

// constructor used when cube is created 
	Box(double len) 
	{ 
		width = height = depth = len; 
	}

// compute and return volume 
	double volume() 
	{ 
		return width * height * depth; 
	} 
}


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