almost

LargestInteger.java

 
     public Integer findLargestNumberUsingConditional(Integer[] integers){
         
-        return null;
+        int big = 0;
+        int x = integers[0];
+        int y = integers[1];
+        int z = integers[2];
+        
+        if ( x>y && x>z ){
+            big = x;
+        } else if (y>x && y>z){
+            big = y;
+        } else if (z>x && z>y) {
+            big = z;
+        }
+        
+        return big;
        
     }
     
     public Integer findLargestNumberUsingMathMax(Integer[] integers){
-        return null;
+        return Math.max(integers[0],Math.max(integers[1],integers[2]));
     }
     
 }