TD4_DEV51_Creuzet/exo3.java

import java.util.Arrays;

public class exo3 {
    private static int calculSomme(int[] ligne) {
        int somme = 0;
        for (int element : ligne) {
            somme += element;
        }
        return somme;
    }

    public static int[][] trierTab(int[][] tab) {
        Arrays.sort(tab, (val1, val2) -> Integer.compare(calculSomme(val1), calculSomme(val2)));
    
        for (int[] val : tab) {
            Arrays.sort(val);
        }
        
        return tab;
    }

    public static void main(String[] args) {
        int[][] orginalTab = {
            {0, 3, 2},
            {9, 4, 5},
            {4, 1, 3},
        };
        // int[][] orginalTab = {
        //     {7, 2, 9, 1},
        //     {3, 8, 4},
        //     {6, 1, 5, 2, 3},
        //     {2, 9},
        //     {4, 7, 1, 8},
        // };

        afficherTab(orginalTab);
        System.out.println("-----");

        int[][] resultTab = trierTab(orginalTab);

        afficherTab(resultTab);
    }

    private static void afficherTab(int[][] tab) {
        for (int i = 0; i < tab.length; i++) {
            for (int j = 0; j < tab[i].length; j++) {
                System.out.print(tab[i][j] + " ");
            }
            System.out.println();
        }
    }
}