单项选择题X 纠错
A. bas has the value of “”.
B. baz has the value of null.
C. bas has the value of “red”.
D. baz has he value of “blue”.
E. baz has the value of “green”.
F. the code does not compile.
G. The program throws and exception.
你可能喜欢
单项选择题
A. foo has the value of 0.
B. foo has the value of null.
C. foo has the value of true.
D. foo has the value of false.
E. An-exception is thrown.
F. The code will not compile.
单项选择题
A. 0
B. 1
C. 14
D. –15
E. An error at line 3 cause compilation to fail.
F. An error at line 4 cause compilation to fail.
单项选择题
A. Compilation succeeds and 1 is printed.
B. complication succeeds and 2 is printed.
C. An error at line 8 causes compilation to fail.
D. An error at line 13 causes complication to fail.
E. An error at line 14 causes compilation to fail.
多项选择题
A. void setVar(float f) { x = f;}
B. public void setVar(int f) { x =f;}
C. public void setVar(float f) {return f;}
D. public double setVar(float f) {return f;}
E. protected float setVar() { x = 3.0f; return 3.0f; }
单项选择题
A. InsideOne ei = eo.new InsideOne():
B. eo.InsideOne ei= co.new InsideOne():
C. InsideOne ei = EnclosingOne.new InsideOne():
D. EnclosingOne.insideOne ei = eo.new InsideOne():
多项选择题
A. it provides centralized request handling for incoming requests.
B. It forces resource authentication to be distributed across web components.
C. It reduces coupling between presentation-tier clients and underlying business services.
D. It can be added and removed unobtrusively, without requiring changes to existing code.
E. It allows preprocessing and postprocessing on the incoming requests and outgoing responses.
单项选择题
A. The method invoked by this function must be statie.
B. The function class must implement the Function interface.
C. The expression is NOT a valid EL expression for invoking a function.
D. The function must be declared in a web.xml file using the
E. The function class must have a method with the signature:Void bloof (java.lang.Strings)
多项选择题
A. do GET
B. do Put
C. do Post
D. do Trace
E. do Submit
F. do Process