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Added code for Matrix Sort in java #569

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Added code for Matrix Sort in java #569

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36 changes: 36 additions & 0 deletions java/sorting/matrixSort.java
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Original file line number Diff line number Diff line change
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import java.util.*;

public class Main {
public static void main(String[] args)
{
// Initialize the 2D vector with some values
List<List<Integer> > v
= new ArrayList<>(Arrays.asList(
new ArrayList<>(Arrays.asList(5, 4, 7)),
new ArrayList<>(Arrays.asList(1, 3, 8)),
new ArrayList<>(Arrays.asList(2, 9, 6))));

int n = v.size();
List<Integer> x = new ArrayList<>();
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
x.add(v.get(i).get(j));
}
}
Collections.sort(x);
int k = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
v.get(i).set(j, x.get(k++));
}
}

System.out.println("Sorted Matrix Will be:");
for (List<Integer> row : v) {
for (int num : row) {
System.out.print(num + " ");
}
System.out.println();
}
}
}