在Java 9的JShell中，有哪些不同的"/types"命令？

<strong>/types
/types [ID]
/types [Type_Name]
/types -start
/types -all</strong>

<strong>jshell> enum Operation {
...>       ADDITION,
...>       DIVISION;
...>    }
| created enum Operation

jshell> class Employee {
...>       String empName;
...>       int age;
...>       public void empData() {
...>          System.out.println("Employee Name is: " + empName);
...>          System.out.println("Employee Age is: " + age);
...>       }
...>    }
| created class Employee

jshell> interface TestInterface {
...>       public void sum();
...>    }
| created interface TestInterface
jshell> /types
|    enum Operation
|    class Employee
|    interface TestInterface

jshell> /types 1
|    enum Operation

jshell> /types -start

jshell> /drop Operation
|    dropped enum Operation

jshell> /types -all
|    enum Operation
|    class Employee
|    interface TestInterface</strong>