Create Solution.java

Author: Jerring

solution/0518.Coin Change 2/Solution.java

@@ -0,0 +1,12 @@
+class Solution {
+    public int change(int amount, int[] coins) {
+        int[] f = new int[amount + 1];
+        f[0] = 1;
+        for (int coin : coins) {
+            for (int i = coin; i <= amount; ++i) {
+                f[i] += f[i - coin];
+            }
+        }
+        return f[amount];
+    }
+}