What&ensp;is&ensp;the&ensp;result？（）

单项选择题
What is the result？（）

A. The code compiles and “s=” is printed.
B. The code compiles and “s=null” is printed.
C. The code does not compile because Strings is not initialized.
D. The code does not compile because because Strings cannot be referneed.
E. The code comiles.butt a NullPointerException is thrown when toString is called.

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1.多项选择题Which two are valid declarations of char？（）

A. Char ch = “a”；
B. char ch = “”；
C. char ch = “café”；
D. char ch = “ucafe”；
E. char ch = “ucafe’；
F. char ch = “u10100’；
G. char ch = （char） true；

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2.多项选择题
Which three logical expressions evaluate to true？（）

A. （a = = c）
B. （d = = c）
C. （b = = d）
D. （a = = b）
E. （b = = c）
F. （d == 10.0）

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3.单项选择题
What is the result？（）

A. The program prints “lava”.
B. The program prints “java”.
C. An error at line 7 causes compilation to fail.
D. Complication succeeds but the program throws an exception.

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4.单项选择题 }
What is the result？（）

A. Compilation succeeds and 1 is printed.
B. Compilation succeeds and 2 is printed.
C. An error at line 8 causes compilation to fail.
D. An error at line 14 causes compilation to fail.

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5.多项选择题Which thethree are valid URL mappings to a servlet in a web deployment descriptor？（）

A. */*
B. /*.do
C. myServlet
D. /Myservlet
E. /MyServlet/*
F. MyServlet/*.isp

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6.单项选择题Which HTTP method has the characteristic that multiple indential requests may produce side effect beyond those of a single request（）？

A. PUT
B. GET
C. INFO
D. POST
E. HEAD
F. TRACE

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7.多项选择题For a given Servlet Response response， which retrieves an object for writing binary data？（）

A. response.get writer （）
B. response.get Output Stream （）
C. response.getOutput Writer（）
D. response.get Writer （）.get Output Stream （）
E. response.get Writer （Writer.OUTPUT_BINARY）

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8.单项选择题
Which additions needs to be made to the Iterate Handler class for it to properly perform as the tag handler for the loop tag.?()

A.A
B.B
C.C
D.D

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9.单项选择题 Given
1. public class Foo {
2. public static void main （String [] args） }
3. try { return；}
4. finally { Syste.out.printIn （“Finally”）；}
5. }
6. }
What is the result()？

A. The program runs and prints nothing.
B. The program runs and prints “Finally”.
C. The code comiles. But an exception is thrown at runtime.
D. The code will not compile because the catch block is missing.

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10.多项选择题 Given：
1. public interface Foo {
2. int k = 4：
3. }
Which three are equivalent to line 2？（）

A. final int k = 4：
B. public int k = 4：
C. static int k = 4：
D. private int k = 4：
E. abstract int k = 4：
F. volatile int k = 4：
G. transient int k = 4：
H. protected int k = 4：

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