public static void javaOutputWhen(Cons tree) {
    ((OutputStream)(Stella.$CURRENT_STREAM$.get())).nativeStream.print("if (");
    Stella_Object.javaOutputStatement(tree.value);
    ((OutputStream)(Stella.$CURRENT_STREAM$.get())).nativeStream.println(") {");
    Stella.javaBumpIndent();
    Stella_Object.javaOutputStatement(tree.rest.value);
    Stella.javaUnbumpIndent();
    Stella.javaIndent();
    ((OutputStream)(Stella.$CURRENT_STREAM$.get())).nativeStream.println("}");
  }