Field inField = Class.forName("java.lang.System").getField("in"); inField.set(null, in);
VM_Field inField = ((VM_Class)JikesRVMSupport.getTypeForClass(System.class)) .findDeclaredField( VM_Atom.findOrCreateUnicodeAtom("in"), VM_Atom.findOrCreateUnicodeAtom("Ljava/io/InputStream;"));  inField.setObjectValue(null, in);
  static void setIn(InputStream in) {      try {	  Field inField = Class.forName("java.lang.System").getField("in");	  inField.set(null, in);      } catch (Exception e) {	  throw new Error( e.toString() );      }  }