Implementation

src/main/java/com/oracle/arrays/impl/MultidimensionalImpl.java

@@ -6,11 +6,27 @@
 public class MultidimensionalImpl implements Multidimensional {
     @Override
     public Posicion getPosition(String[][] datos, String dato) {
+        Posicion pos = new Posicion(0, 0);
+        for(int i = 0; i < datos.length; i++){
+            for(int j = 0; j < datos[i].length;j++){
+                if(datos[i][j].equals(dato)){
+                    pos.setX(i);
+                    pos.setY(j);
+                    return pos;
+                }
+            }
+        }
+
         return null;
+
+
     }
 
     @Override
     public String getData(String[][] datos, Posicion posicion) {
-        return null;
+        int x = posicion.getX();
+        int y = posicion.getY();
+
+        return datos[x][y];
     }
 }

src/main/java/com/oracle/arrays/impl/UnidimensionalImpl.java

@@ -1,14 +1,27 @@
 package com.oracle.arrays.impl;
 
+import java.util.Arrays;
+
 import com.oracle.arrays.Unidimensional;
 
 public class UnidimensionalImpl implements Unidimensional {
     @Override
     public void ordenamiento(int[] arr) {
+        Arrays.sort(arr);
     }
 
     @Override
     public int[] ordenamientoReversa(int[] arr) {
-        return null;
+        Arrays.sort(arr);
+        int[] arrcopy = new int[arr.length];
+
+        int counter = 0;
+        for(int i = arr.length-1; i >= 0 ;i--){
+            arrcopy[counter] = arr[i];
+            counter++;
+        }
+
+        return arrcopy;
     }
 }
+