6. Answer the following questions based on your understanding on object andclass.a) Identify the problems in the following java program and correct them.public class Mainclass {public Mainclass(double param1) {System.out.println(param1);public static void main(String[] args) {int arg1 = 10;Mainclass mc1 = new Mainclass(arg1);Mainclass mc2 = new Mainclass ();}}b) Fish is the most popular and main source of protein in our country. Thesource of fishes can be the sea, river, ponds, water land, etc. Fishes can alsobe different in name, color, and size. Now, define a java class 'Fish' torepresent the information mentioned above of each type of fishes. Note thatyour java class must contain at least two constructors - one of which must bea no-argument constructor.

a. In problem 1 while create new object the class accepts double so we have to typecast the arg1 to…

Answered: Answer the following questions based on…

Engineering

Computer Science

Answer the following questions based on your understanding class. object and on

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

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