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When an object receives a（ ）, methods contained within the object respond.
A.parameterB.informationC.messageD.data
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●Which of the following statements about object oriented database is not correct? (72) ．(72) A．Each object has a unique object identify in the systemB．Encapsulation and inheritance are two important features of object oriented databaseC．A subclass can inherit the attributes and methods of all its superclassesD．A supereloss includes the attributes and methods at all subclasses
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Which of the following statements about object oriented databse is not correct?A． Each object has a unique object identity in the system.B．Encapsulation and inheritance are two important features of object oriented databasE.C．A subclass can inherit the attributes and methods of all its superclasses.D．A subclass includes the attributes and methods of all its subclasses.
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Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?()
A.When using versions of Java technology earlier than 5.0.B.When sharing a StringBuffer among multiple threads.C.When using the java.io class StringBufferInputStream.D.When you plan to reuse the StringBuffer to build more than one string.
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●A management domain typically contains a large amount of management information. Each individual item of( 71)information is an instance of a managed object type. The definition of a related set of managed (72) types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB( 73) defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple (74) of the same managed object type can be distinguished. Typically, there are many instances of each managed object (75) within a management domain(71) A．rotationB．switchC．managementD．transmission(72) A．pathB．objectC．routeD．packet(73) A．connectionB．windowC．moduleD．destination(74) A．packetsB．searchesC．statesD．instances(75) A．deviceB．stateC．typeD．packet
考题
A management domain typically contains a large amount of management information. Each individual item of（71） information is an instance of a managed object type. The definition of a related set of managed （72）types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB （73） defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple （） of the same managed object type can be distinguished. Typically, there are many instances of each managed object （75） within a management domainA.packets
B.searches
C.states
D.instances
考题
A management domain typically contains a large amount of management information. Each individual item of（） information is an instance of a managed object type. The definition of a related set of managed （72）types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB （73） defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple （74） of the same managed object type can be distinguished. Typically, there are many instances of each managed object （75） within a management domainA.rotation
B.switch
C.management
D.transmission
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A management domain typically contains a large amount of management information. Each individual item of（71） information is an instance of a managed object type. The definition of a related set of managed （）types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB （73） defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple （74） of the same managed object type can be distinguished. Typically, there are many instances of each managed object （75） within a management domainA.path
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public class X { public object m （） { object o = new float （3.14F）； object oa = new object [1]； oa[0]= o； o = null； return oa[0]； } } When is the float object created in line 3， eligible for garbage collection？（）A、 Just after line 5B、 Just after line 6C、 Just after line 7 （that is， as the method returns）D、 Never in this method.
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Which two statements are true about the hashCode method？（）A、 The hashCode method for a given class can be used to test for object equality and object inequality for that class.B、 The hashCode method is used by the java.util.SortedSet collection class to order theelements within that set.C、 The hashCode method for a given class can be used to test for object inequality， but NOT object equality， for that class.D、 The only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.E、 The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.
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Which two of statements are true？（）A、It is possible to synchronize static methods.B、When a thread has yielded as a result of yield（）， it releases its locks.C、When a thread is sleeping as a result of sleep（）， it releases its locks.D、The Object.wait（） method can be invoked only from a synchronized context.E、The Thread.sleep（） method can be invoked only from a synchronized context.F、When the thread scheduler receives a notify（） request， and notifies a thread， that thread immediately releases its lock.
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12. void start（） { 13. A a = new A（）； 14. B b = new B（）； 15. a.s（b）； 16. b = null； 17. a = null； 18. System.out.println（“start completed”）； 19. } When is the B object， created in line 14， eligible for garbage collection？（） A、 After line 16.B、 After line 17.C、 After line 18 （when the methods ends）.D、 There is no way to be absolutely certain.E、 The object is NOT eligible for garbage collection.
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Which statements concerning the methods notify（） and notifyAll（） are true？ A、Instances of class Thread have a method called notify（）.B、A call to the method notify（） will wake the thread that currently owns the monitor of the object.C、The method notify（） is synchronized.D、The method notifyAll（） is defined in class Thread.E、When 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.
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What happens when thread X executes a wait（） method on object A， without owning object A’s lock？（） A、 Compilation fails.B、 An exception is thrown.C、 The wait（） method has no effect.D、 Thread X receives the lock immediately.E、 Object A moves the thread to the wait pool.
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Which object is added to a form module when you copy the reusable calender class?（）A、List icon B、Object group C、PL/SQL library D、Key-Listval trigger
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Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）A、When using versions of Java technology earlier than 5.0.B、When sharing a StringBuffer among multiple threads.C、When using the java.io class StringBufferInputStream.D、When you plan to reuse the StringBuffer to build more than one string.
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Which two PL/SQL8 features are supported in Oracle Forms?（）A、methods B、object tables C、object columns D、collection types E、object as stored procedure parameters
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When is an implicit anchor created?（）A、When an object is enclosed by another object. B、When a page break after pagination property is enabled. C、When a link is created between two objects. D、When a keep with anchoring object pagination property is enabled.
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You are developing an ASP.NET Web application. The application must pass an object that contains user-specific data between multiple pages. The object ismore than 100 KB in size when serialized.You need to minimize the amount of data is sent to the user. What should you do？（）A、Pass the object data in a hidden field.B、Store the object instance in a session variable.C、Use a cookie that contains the object data.D、Encode the object data and pass it in a query string parameter.
考题
单选题When is an implicit anchor created?（）A
When an object is enclosed by another object. B
When a page break after pagination property is enabled. C
When a link is created between two objects. D
When a keep with anchoring object pagination property is enabled.
考题
单选题public class X { public object m （） { object o = new float （3.14F）； object oa = new object [1]； oa[0]= o； o = null； oa[0] = null； return o； } } When is the float object created in line 3， eligible for garbage collection？（）A
Just after line 5.B
Just after line 6.C
Just after line 7.D
Just after line 8（that is， as the method returns）.
考题
单选题Servlet A receives a request that it forwards to servlet B within another web application in the same webcontainer. Servlet A needs to share data with servlet B and that data must not be visible to other servlets inA’s web application. In which object can the data that A shares with B be stored？（）A
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
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单选题public class X { public object m （） { object o = new float （3.14F）； object oa = new object [1]； oa[0]= o； o = null； return oa[0]； } } When is the float object created in line 3， eligible for garbage collection？（）A
Just after line 5B
Just after line 6C
Just after line 7 （that is， as the method returns）D
Never in this method.
考题
单选题What happens when thread X executes a wait（） method on object A， without owning object A’s lock？（）A
Compilation fails.B
An exception is thrown.C
The wait（） method has no effect.D
Thread X receives the lock immediately.E
Object A moves the thread to the wait pool.
考题
单选题Servlet A receives a request that it forwards to servlet B within another web application in the same web container. Servlet A needs to share data with servlet B and that data must not be visible to other servlets in A’s web application. In which object can the data that A shares with B be stored？（）A
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
考题
单选题The metal，teardrop-shaped object sometimes used within an eyesplice is a（）.A
grommetB
reinforcementC
splice formD
thimble
考题
单选题12. void start（） { 13. A a = new A（）； 14. B b = new B（）； 15. a.s（b）； 16. b = null； 17. a = null； 18. System.out.println（“start completed”）； 19. } When is the B object， created in line 14， eligible for garbage collection？（）A
After line 16.B
After line 17.C
After line 18 （when the methods ends）.D
There is no way to be absolutely certain.E
The object is NOT eligible for garbage collection.
考题
多选题Which two statements are true about the hashCode method？（）AThe hashCode method for a given class can be used to test for object equality and object inequality for that class.BThe hashCode method is used by the java.util.SortedSet collection class to order theelements within that set.CThe hashCode method for a given class can be used to test for object inequality， but NOT object equality， for that class.DThe only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.EThe hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.
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