Which of the following statements about variables and scope are true？（） A、 Local variables defined inside a method are destroyed when the method is exited.B、 Local variables are also called automatic variables.C、 Variables defined outside a method are created when the object is constructed.D、 A method parameter variable continues to exist for as long as the object is needed in which the method is defined.
Which of the following statements about variables and scope are true？（）
- A、 Local variables defined inside a method are destroyed when the method is exited.
- B、 Local variables are also called automatic variables.
- C、 Variables defined outside a method are created when the object is constructed.
- D、 A method parameter variable continues to exist for as long as the object is needed in which the method is defined.
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多选题Which three statements are true？（）AThe default constructor initializes method variables.BThe default constructor has the same access as its class.CThe default constructor invoked the no-arg constructor of the superclass.DIf a class lacks a no-arg constructor， the compiler always creates a default constructor.EThe compiler creates a default constructor only when there are no other constructors for the class.
单选题Given： Which statement is true？（）A The cardID and limit variables break polymorphism.B The code demonstrates polymorphism.C The ownerName variable breaks encapsulation.D The setCardInformation method breaks encapsulation.E The class is fully encapsulated.
多选题Which statements concerning the methods notify（） and notifyAll（） are true？AInstances of class Thread have a method called notify（）.BA call to the method notify（） will wake the thread that currently owns the monitor of the object.CThe method notify（） is synchronized.DThe method notifyAll（） is defined in class Thread.EWhen there is more than one thread waiting to obtain the monitor of an object， there is no way to be sure which thread will be notified by the notify（） method.
多选题Given that Thing is a class， how many objects and reference variables are created by the following code？（） Thing item， stuff； item = new Thing（）； Thing entity = new Thing（）；AOne object is createdBTwo objects are createdCThree objects are createdDOne reference variable is createdETwo reference variables are createdFThree reference variables are created.
多选题Which of the following statements about variables and their scopes are true？ （）AInstance variables are member variables of a class.BInstance variables are declared with the static keyword.CLocal variables defined inside a method are created when the method is executed.DLocal variables must be initialized before they are used.
多选题In the Expression Editor panel of CRS Script Editor, why would you use the Java tab? （）Ato execute a specified method of a Java classBto reference a variable or invoke a method of a custom Java ObjectCto pass variables between two different workflowsDto create an object for the purpose of executing methods on a remote computerEto get a reference to the Contact and Session statesFto allow for arguments to be passed to a specified method
多选题Which two statements are true regarding the creation of a default constructor？（）AThe default constructor initializes method variables.BThe compiler always creates a default constructor for every class.CThe default constructor invokes the no-parameter constructor of the superclass.DThe default constructor initializes the instance variables declared in the class.EWhen a class has only constructors with parameters， the compiler does not create a default constructor.
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多选题Which two statements are true regarding the creation of a default constructor？（）AThe default constructor initializes method variables.BThe default constructor invokes the no-parameter constructor of the superclass.CThe default constructor initializes the instance variables declared in the class.DIf a class lacks a no-parameter constructor，， but has other constructors， the compiler creates a default constructor.EThe compiler creates a default constructor only when there are no other constructors for the class.
多选题Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）AIt can be invoked only from the doGet or doPost methods.BIt can be used independently of the getRemoteUser method.CCan return true even when its argument is NOT defined as a valid role name in the deployment descriptor.DUsing the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.
多选题Which of the following statements about variables and scope are true？（）ALocal variables defined inside a method are destroyed when the method is exited.BLocal variables are also called automatic variables.CVariables defined outside a method are created when the object is constructed.DA method parameter variable continues to exist for as long as the object is needed in which the method is defined.