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.
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Which code snippet inserted at line 12 cause the client to redirect tohttp：//www.example.com？（）
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.
What OrderSErvlet method is invoked as a result of this from submission？（）
A. doGET
B. doPUT
C. doPost
D. doTrace
E. doSubmit
After execution. What are the values for i and j （）
A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 6and j = 6
Which statement at Point X on line 1 allows this code to compile and run？（）
A. import java.io.*.；
B. include java.io.*；
C. import java.io.PrintWriter；
D. include java.io.PrintWRiter；
E. No statement in needed.
What is the final value of i？（）
A. 1
B. 2
C. 3
D. 4
E. 5
Which two are valid examples of method overriding？（）
A. float getVar（） {return x：}
B. public float getVar（） {return x； }
C. public double getVar（） {return x； }
D. protected float getVar（） {return x； }
E. public float getVar（float f） {return f；}
最新试题
Which the three interfaces need to be declared in the web application deployment descriptor？ （）
Which the two are characteristics of the Service Locator pattern？（）
Which path， relative to a web application’s root， identifies the web application’s deployment descriptor？（）
Which two produce the output "one， two and three"？（）
Within the web application deployment descriptor， which defines a valid JNDI environment entry（）
Given a web application in which the request parameter product ID contains a product identifier.Which two EL expressions evaluate the value of the product ID？（）
The tag handler for n：recurse extends SimpleTagSupport.Assuming an n：recurse tag can either contain an empty body or another n：recurse tag， which strategy allows the tag handler for n：recurse to output the nesting depth of the deepest n：recurse tag？（）
A developer for the Company.com web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application？（）
Which the three are true about servlet filters？（）
Which the three EL expressions， inserted at line 15， are valid and evaluate to "3"？ （）