In Java Code: a) Inheritance: Given an array of type Animal of length 12 (already created and called myAnimals). Write Java  code to instantiate three objects (one for Dog and two for Cat) and assign these three objects to the array  myAnimals[]: ****note: Animal is superclass for Dog and for Cat classes***** ***6 lines max b)Given an integer array of 12 elements. We would like to write an algorithm that fills the array with multiples  of 5 starting from zero (0, 5, 10, 15,.. ). Then we wish to displays/prints the array contents; and then print the summation of all elements of this array. In the following, the first few lines of this algorithm are listed below  (the algorithm is not complete). You need to complete this algorithm and write down the remaining steps  clearly and correctly: Algorithm: fill and output an integer array of length 12 with contents are multiples of 5 starting  from 0 as follows: 0, 5, 10, 15,…. And then output the total summation of all these elements. Input: no user input needed. Output: the contents of the array and the total sum of all array elements. Procedure: ………...write down here in simple English how to do this program… in two to three lines  only……………………………………….…. 1) Define an array called ar1 of length 12 elements and of type integer. 2) Set i = 0; // it will be used as array index 3) Set ar1[ i ] = 5 * i ; 4) i = i + 1 ; 5) if i < 12 then go to step (3) above 6) …continue the remaining steps of this algorithm… 7) ….. 8) ….

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
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 In Java Code:

a) Inheritance: Given an array of type Animal of length 12 (already created and called myAnimals). Write Java 
code to instantiate three objects (one for Dog and two for Cat) and assign these three objects to the array 
myAnimals[]: ****note: Animal is superclass for Dog and for Cat classes***** ***6 lines max

b)Given an integer array of 12 elements. We would like to write an algorithm that fills the array with multiples 
of 5 starting from zero (0, 5, 10, 15,.. ). Then we wish to displays/prints the array contents; and then print the
summation of all elements of this array. In the following, the first few lines of this algorithm are listed below 
(the algorithm is not complete). You need to complete this algorithm and write down the remaining steps 
clearly and correctly:
Algorithm: fill and output an integer array of length 12 with contents are multiples of 5 starting 
from 0 as follows: 0, 5, 10, 15,…. And then output the total summation of all these elements.
Input: no user input needed.
Output: the contents of the array and the total sum of all array elements.
Procedure: ………...write down here in simple English how to do this program… in two to three lines 
only……………………………………….….
1) Define an array called ar1 of length 12 elements and of type integer.
2) Set i = 0; // it will be used as array index
3) Set ar1[ i ] = 5 * i ;
4) i = i + 1 ;
5) if i < 12 then go to step (3) above
6) …continue the remaining steps of this algorithm…
7) …..
8) ….

 

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