Introduction to Java Programming and Data Structures  Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134700144
Author: Liang
Publisher: PEARSON
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Chapter 20.6, Problem 20.6.8CP

Explanation of Solution

Statement to sorts the two-dimensional arrays in increasing order of second column as primary order and first column as secondary order:

Let us consider the example,

double[][] x = {{3, 1}, {2, -1}, {2, 0}, {1, -1}}

The statement to sorts the two-dimensional in increasing order of second column as primary order and first column as secondary order is given below:

/*sort() method sorts the two-dimensional array using the specified comparator */

java.util.Arrays.sort(x, (e1, e2) -> {

/* Check whether second column for "e1" and "e2" is not equal to 0 */

if (e1[1] - e2[1] != 0)

//Return the increasing order of second column

return (int)(e1[1...

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3. Write two nested loops to generate the following output. (Note: There is one space between each number, and any extra line shown is intentional.) 12 10 8 6 18 15 12 24 20 30 2 3 3 6 48 12 5 10 15 20 6 12 18 24 30

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Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)

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Definition of Array; Author: Neso Academy;https://www.youtube.com/watch?v=55l-aZ7_F24;License: Standard Youtube License