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diff --git a/‎out/production/backjoon/programmers/Level1AverageArray.class‎
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diff --git a/‎out/production/backjoon/programmers/Level1_PhoneNumBlind$Solution.class‎
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diff --git a/‎out/production/backjoon/programmers/Level1_PhoneNumBlind.class‎
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diff --git a/‎out/production/backjoon/programmers/Level1_XIntervalN.class‎
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diff --git a/‎out/production/backjoon/programmers/Level2Collatz.class‎
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diff --git a/‎out/production/backjoon/programmers/Lever1_HashardNum.class‎
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diff --git a/‎src/programmers/Level1AverageArray.java‎
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+package programmers;
+
+public class Level1AverageArray {
+    public double solution(int[] arr) {
+        double answer = 0;
+        for (int i = 0; i < arr.length; i++) {
+            answer += arr[i];
+            System.out.println(arr[i]);
+        }
+        answer = answer / arr.length;
+        return answer;
+    }
+
+    public static void main(String[] args) {
+        Level1AverageArray a = new Level1AverageArray();
+        int [] arr = {1, 2 ,3, 4};
+        System.out.println(a.solution(arr));
+    }
+}