Simple way to get any Java application going.

SimpleClass.java

package org.whatever;

/**
 * this is how i begin all my Java projects.
 * inside the `SimpleClass()` constructor you
 * can implement all your other code stuffs.
 */
class SimpleClass() {
  public static void main(String[] args) {
    new SimpleClass();
  }
  
  public SimpleClass() {}
}