랜덤 데이터 생성

src/git_test4/Main.java

@@ -1,11 +1,20 @@
 package git_test4;
 
 import java.util.Arrays;
+import java.util.Random;
 
 public class Main {
 
+    static int[] createArray(int size, int minValue, int maxValue) {
+        Random random = new Random();
+        int[] a = new int[size];
+        for (int i = 0; i < a.length; ++i)
+            a[i] = random.nextInt(maxValue - minValue + 1) + 1;
+        return a;
+    }
+
     public static void main(String[] args) {
-        int[] a = { 4, 8, 2, 6, 10, 3, 1, 7, 9, 5 };
+        int[] a = createArray(10, 1, 10);
         Sort.sort(a);
         System.out.println(Arrays.toString(a));
     }