Не получается скомпилировать. Как правильно надо сделать?

package com.javarush.task.task03.task0307; /* Привет Starcraft! */ public static void main(String[] args) { Zerg zerg1 = new Zerg(); zerg1.name = "Z1"; Zerg zerg2 = new Zerg(); zerg2.name = "Z2"; Zerg zerg3 = new Zerg(); zerg3.name = "Z3"; Zerg zerg4 = new Zerg(); zerg4.name = "Z4"; Zerg zerg5 = new Zerg(); zerg5.name = "Z5"; Protoss protoss1 = new Protoss(); protoss1.name = "P1"; Protoss protoss2 = new Protoss(); protoss2.name = "P2"; Protoss protoss3 = new Protoss(); protoss3.name = "P3"; Terran terran1 = new Terran(); terran1.name = "T1"; Terran terran2 = new Terran(); terran2.name = "T2"; Terran terran3 = new Terran(); terran3.name = "T3"; Terran terran4 = new Terran(); terran4.name = "T4"; } public static class Zerg { public String name; } public static class Protoss { public String name; } public static class Terran { public String name; } }