java/base

src/java/base/CommandLineArgs/CommandLineArgs.java

@@ -0,0 +1,14 @@
+/*
+ * Author: fasion
+ * Created time: 2019-07-20 12:20:13
+ * Last Modified by: fasion
+ * Last Modified time: 2019-07-20 12:22:58
+ */
+
+public class CommandLineArgs {
+    public static void main(String args[]) {
+        for (int i=0; i<args.length; i++) {
+            System.out.printf("Args %d: `%s`\n", i, args[i]);
+        }
+    }
+}

src/java/base/HelloWorld/HelloWorld.java

@@ -0,0 +1,12 @@
+/*
+ * Author: fasion
+ * Created time: 2019-07-20 12:18:01
+ * Last Modified by: fasion
+ * Last Modified time: 2019-07-20 12:18:40
+ */
+
+public class HelloWorld {
+    public static void main(String args[]) {
+        System.out.println("Hello, world!");
+    }
+}

src/java/base/recursion/Fibonacci/Fibonacci.java

@@ -0,0 +1,20 @@
+/*
+ * Author: fasion
+ * Created time: 2019-07-20 12:02:52
+ * Last Modified by: fasion
+ * Last Modified time: 2019-07-20 12:16:29
+ */
+
+public class Fibonacci {
+    public static int fibonacci(int n) {
+        if (n==1 || n==2) {
+            return 1;
+        }
+        return Fibonacci.fibonacci(n-1) + Fibonacci.fibonacci(n-2);
+    }
+
+    public static void main(String[] args) {
+        int n = Integer.parseInt(args[0]);
+        System.out.println(Fibonacci.fibonacci(n));
+    }
+}