Answered: Write a program to create a…

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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Question

Write a program to create a two-dimensional array of integers (3 by 5) and then accept user inputs to fill the array. First: find out the column with the largest sum, and swap corresponding values in this column with the first column. Second: find out the column with the smallest sum, and swap corresponding values in this column with the last column (as following sample output shows). Hint1: if by chance, in the beginning, the column with the largest sum has happened in the first column; or the column with the smallest sum has happened in the last column: we need not touch the array and swap the values. Hint2: if by chance, in the beginning, there are more than 1 column with the same largest or smallest sum, you are free to choose either of them to do the swapping. (Use Java coding language).

3- Write a program to create a two-dimensional array of integers (3
by 5) and then accept user inputs to fill the array. First: find
out the column with the largest sum, and swap corresponding values
in this column with the first column. Second: find out the column
with the smallest sum, and swap corresponding values in this column
with the last column (as following sample output shows).
Hint1: if by chance, in the beginning, the column with the largest
sum has happened in the first column; or the column with the
smallest sum has happened in the last column: we need not touch
the array and swap the values.
Hint2: if by chance, in the beginning, there are more than 1 column
with the same largest or smallest sum, you are free to choose
either of them to do the swapping.
Sample output:
Initial format:
6
3
-50 25
18 -5 34
1
8
2
11
After swapping:
-7
-2 3
1
34
28
-26 23 28 3
0
5
25
-5
1
8
2
-2
0
5
3 23 11
6
-50
18
-26

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