编译和执行以下代码，输出结果是( )。
int i=1;
switch (i)
case 0:
System.out.print("zero,");
break;
case 1:
System.out.print("one,");
case 2:
System.out.print("two,");
default:
System.out.println("default");

A) SomeThread类是包含run()方法的任意Java类
B) SomeThread类一定要实现Runnable接口
C) SomeThread类是Thread类的子类
D) SomeThread类是Thread类的子类并且要实现Runnable接口

A) ODBC
B) JDBC
C) ODBC API
D) SQL/CLI