A. The program runs and prints “Hello”
B. An error causes compilation to fail.
C. The program runs and prints “Hello world!”.
D. The program runs but aborts with an exception.

A. foo has the value””
B. foo has the value null.
C. An exception is thrown.
D. The code will not compile.

A. The Error class is a Runtime Exception.
B. No exceptions are subclasses of Error.
C. Any statement that may throw an Error must be enclosed in a try block.
D. any statement that may throw an Exception must be enclosed in a try block.
E. Any statement that may throw an Runtime Exception must be enclosed in a try block.

A. response.send Redirect （http：//www.example.com）：
B. response.send Redirect （new URL （“http：//www.example.com”））；
C. Request Dispatcher rd=  get Servlet Context （）. Get Request Dispatcher （  http：//www.example.com”）’  rd. forward （request. Response）：
D. Request Dispatch rd=  Get Servlet Context （）.get Request Dispatcher（  New URL （http：//www.example.com））；  Rd. forward （request.response）：

A. session.get Resource （“/WEB-INF/myconfig.xml”）
B. request.get Resource （“/WEB-INF/myconfig.xml”）
C. context.get Resource （“/WEB-INF/myconfig.xml”）
D. get Class （）.get Resource （“/WEB-INF/myconfig.xml”）

A. abstract public void methoda （）；
B. public abstract double inethoda （）；
C. static void methoda （double dl） {}
D. public native double methoda （） {}
E. protected void methoda （double dl） {}

A. float foo = -1；
B. float foo = 1.0；
C. float foo = 42el：
D. float foo = 2.02f：
E. float foo = 3.03d：

A. Member data have no access modifiers.
B. Member data can be modified directly.
C. The access modifier for methods is protected.
D. The access modifier to member data is private.
E. Methods provide for access and modification of data.

A. doGET
B. doPUT
C. doPost
D. doTrace
E. doSubmit

A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 6and j = 6