Consider the following code. Replace the tags_??1_and_??2_, respectively, by filling in the text fields below, such that the class A compiles. interface First Interface { public int foo (int a); } interface SecondInterface { public int ??1_(int x); // replace ??1_ } class A ??2 FirstInterface, SecondInterface { // replace_??2_ public int foo(int y){ return y; } _??1: type your answer... _??2_: type your answer... }

Consider the following code. Replace the tags_??1_and_??2_, respectively, by filling in the text fields below, such that the class A compiles. interface First Interface { public int foo (int a); } interface SecondInterface { public int ??1_(int x); // replace ??1_ } class A ??2 FirstInterface, SecondInterface { // replace_??2_ public int foo(int y){ return y; } _??1: type your answer... _??2_: type your answer... }

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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Please do it in JavaScript or C# 1) Design and implement the class structure for a drawing application. A drawing is made up of a canvas that contains a collection of three different shapes: circles, lines, and boxes. Each shape can be drawn by calling a Draw() method for that shape. The canvas class should also have a draw method that draws all of the shapes it contains. You don’t have to actually draw anything on a screen; you can simulate drawing by writing a message to the console.For example, the code snippet: canvas.Draw();Drawing a circle at...Drawing a line at...etc. (For each shape on the canvas) 2)(Bonus) Consider re-writing the above answer (#1) differently where the canvas does not contain the shapes, but is able to draw any of the three shapes passed to it. Re-design canvas.Draw() if you need to. Your main() program should ask for user input on what shape to draw. Ask once, draw, then exit.could produce something like the following output to the console:
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