Merge pull request #1 from rainbowBPF2/may20

add java main file

Author: rainbowBPF2

src/main/java/hello/JavaMain.java

@@ -0,0 +1,8 @@
+package hello;
+
+public class JavaMain {
+
+    public static void main(String[] args) {
+        System.out.println("hello there!");
+    }
+}