A programmer must know about a function's ______ to call it correctly.A.locationB.algorithmC.InterfaceD.statements
A programmer must know about a function's ______ to call it correctly.
A.location
B.algorithm
C.Interface
D.statements
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Click the Exhibit button. What two must the programmer do to correct the compilation errors? () A.insert a call to this() in the Car constructorB.insert a call to this() in the MeGo constructorC.insert a call to super() in the MeGo constructorD.insert a call to super(vin) in the MeGo constructorE.change the wheelCount variable in Car to protectedF.change line 3 in the MeGo class to super.wheelCount = 3;
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Given an EL function declared with:11. 12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt() 16. 17. Which two are true?()A、The function method must have the signature: public String spin().B、The method must be mapped to the logical name "spin" in the web.xml file.C、The function method must have the signature: public String spinIt().D、The function method must have the signature public static String spin().E、The function method must have the signature: public static String spinIt().F、The function class must be named Spinner, and must be in the package com.example.
public class Car { private int wheelCount; private String vin; public Car(String vin) { this.vin = vin; this.wheelCount = 4; } public String drive() { return “zoom-zoom”; } public String getInfo() { return “VIN: “+ vin + “wheels: “+ wheelCount; } } And: public class MeGo extends Car { public MeGo(String vin) { this.wheelCount = 3; } } What two must the programmer do to correct the compilation errors?()A、 insert a call to this() in the Car constructorB、 insert a call to this() in the MeGo constructorC、 insert a call to super() in the MeGo constructorD、 insert a call to super(vin) in the MeGo constructorE、 change the wheelCount variable in Car to protectedF、 change line 3 in the MeGo class to super.wheelCount = 3;
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单选题A developer wants too use EL to invoke a function using S{my:bloof(“foof”)}. Which is always true?()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 element.E The function class must have a method with the signature:Void bloof (java.lang.Strings)
单选题If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies,which frequency should you call on? ()ACalling frequencyBDistress frequencyCUrgency frequencyDWorking frequency
多选题Given an EL function declared with:11. 12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt() 16. 17. Which two are true?()AThe function method must have the signature: public String spin().BThe method must be mapped to the logical name spin in the web.xml file.CThe function method must have the signature: public String spinIt().DThe function method must have the signature public static String spin().EThe function method must have the signature: public static String spinIt().FThe function class must be named Spinner, and must be in the package com.example.
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多选题Click the Exhibit button. What two must the programmer do to correct the compilation errors?()Ainsert a call to this() in the Car constructorBinsert a call to this() in the MeGo constructorCinsert a call to super() in the MeGo constructorDinsert a call to super(vin) in the MeGo constructorEchange the wheelCount variable in Car to protected
单选题I know it's not important, but I can't help to think about it.AknowBnot importantCto thinkDit