@@ -0,0 +1,247 @@
+package net.yosshio0426.testbuild;%0A%0A/**%0A * EntryPoint.%0A */%0Apublic class Main %7B%0A%0A    public static void main(String%5B%5D args) %7B%0A        new Main().helloWorld();%0A    %7D%0A%0A    public void helloWorld() %7B%0A        System.out.println(%22hello world%22);%0A    %7D%0A%7D%0A

add main class