@Override
public void visit(MainClass main) {
System.out.print("class ");
if (main.getClassId() != null) main.getClassId().accept(this);
System.out.println(" {");
System.out.print("\tpublic static void main(String[] ");
if (main.getArgId() != null) main.getArgId().accept(this);
System.out.println(") {");
System.out.print("\t\t");
if (main.getStm() != null) main.getStm().accept(this);
System.out.println();
System.out.println("\t}");
System.out.println("}");
}
