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arrays.sort with comparator

Uptight Unicorn answered on April 26, 2022 Popularity 9/10 Helpfulness 2/10

answer arrays.sort with comparator

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arrays.sort with comparator

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import java.util.*;

public class Test {

    public static void main(String args[]) {

        int[][] twoDim = { {1, 2}, {3, 7}, {8, 9}, {4, 2}, {5, 3} };

        Arrays.sort(twoDim, Comparator.comparingInt(a -> a[0])
                                      .reversed());

        System.out.println(Arrays.deepToString(twoDim));
    }
}

Popularity 9/10 Helpfulness 2/10 Language java

Source: stackoverflow.com

Tags: comparator java

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Contributed on Apr 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

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arrays.sort with comparator

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Arrays.sort(twoDim, new Comparator<int[]>() {
    @Override
    public int compare(int[] o1, int[] o2) {
        return Integer.compare(o2[0], o1[0]);
    }
});

Popularity 9/10 Helpfulness 5/10 Language java

Source: stackoverflow.com

Tags: comparator c

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Contributed on Apr 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

arrays.sort with comparator

Comment

Arrays.sort(twoDim, new Comparator<int[]>() {
    @Override
    public int compare(int[] o1, int[] o2) {
        return ((Integer) o2[0]).compareTo(o1[0]);
    }
});

Popularity 9/10 Helpfulness 3/10 Language java

Source: stackoverflow.com

Tags: comparator c

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Contributed on Apr 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

arrays.sort with comparator

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