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hibernate里面的sorted collection 和ordered collection有什么区别？
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考题
Collection和Collections正确的说法有()
A.Collections是个java.util包下的接口B.Collection是个java.util包下的类C.Collections包含有各种有关集合操作的静态方法D.Collection是各种集合结构的父接口
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听力原文：Our company will apply for a sight letter of credit for settlement instead of documentary collection.(10)A．Our company prefers an L/C to collection.B．Our company will apply for documentary collection.C．Our company will apply for either documentary collection or sight letter of credit according to your advice.D．Our company will adopt neither documentary collection nor letter of credit.
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听力原文：Although banks are involved in documentary collection, they offer no bank guarantee to either the buyer or the seller.(10)A．Banks may guarantee the buyer or the seller in documentary collection.B．Banks act as agents without responsibility of guarantee on either side.C．Banks offer bank guarantee to both the buyer and the seller in documentary collection.D．Banks are only responsible for the buyer in documentary collection.
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听力原文：If a remitting bank fails to take proper care in the outward collection, the exporter will soon transfer his account to one which does.(7)A．If a remitting bank cannot take proper care in collection, the exporter will do it himself.B．If a remitting bank cannot fulfill its obligation in collection, the exporter will claim indemnify for it.C．If a remitting bank cannot take proper care in collection, it will lose a customer.D．If a remitting bank cannot fulfill its obligation in collection, it will cause loss to the exporter.
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听力原文：ABC Company applied for a sight letter of credit for settlement instead of documentary collection.(4)A．The company changed idea.B．The company preferred an L/Ｃ to collection.C．The company did not want an L/Ｃ.D．The company applied for documentary collection.
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听力原文：M: Well, what other documents shall I hand in to your bank besides bills of lading?W: A sight draft, an insurance policy, and a collection order which contains instructions on collection operation to our bank.Q: What are they talking about???(18)A．Presentation of bill of exchange for payment.B．Documents required for a collection operation.C．Application for a letter of credit.D．What are contained in a collection order.
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Which of the following BEST describes a DAS?()
A. A collection of disks presented as storage to multiple servers through dedicated channels.B. A collection of disks presented as storage to a single server through an existing network.C. A collection of disks presented as storage to a single server through directly attached technologies.D. A collection of disks presented as storage to multiple servers through an existing network.
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A Database Management System(DBMS) consists of a collection of interrelated data and a collection of () to access to that dataA.programsB.memoryC.spaceD.password
考题
A Database Management System(DBMS)consists of A.collection of interrelated data and a collection of（）to access to that data.A.programs
B.memory
C.space
D.password
考题
Collection 和 Collections正确的说法有（） A、Collections是个java.util包下的接口B、Collection是个java.util包下的类C、Collections包含有各种有关集合操作的静态方法D、Collection是各种集合结构的父接口
考题
Collection和Collections正确的说法有（） A、Collections是个java.util包下的接口B、Collection是java.util包下的类C、Collections包含有各种有关集合操作的静态方法D、Collection是各种集合结构的父接口
考题
You work as an application developer at Certkiller .com. Certkiller .com has been hired by a small local private school to develop a class library that will be used in an application named ManageAttendance for the purpose of managing student records.You are responsible for developing this class library. Certkiller .com has instructed you to create a collection in the application to store learners’ results. The school has informed you that they currently only have seven learners， but that this value will triple in the following year. Due to the limited resources， you need to ensure that the collection you create consumes a minimum amount of resources. What should you use to create the collection？（）A、 The HybridDictionary collection class.B、 The HashTable collection class.C、 The ListDictionary collection class.D、 The StringCollection collection class.
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Which statement is true about XpauseTarget in Oracle JRockit JVM ？ （）A、 This option is supported by all type of Garbage collection modes.B、 This option is only supported by Generational Garbage Collection mode.C、 This option is only supported by Mark and Sweep Garbage Collection mode.D、 This option is only supported by Dynamic Garbage Collection mode.
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Which of the following BEST describes a DAS?（）A、A collection of disks presented as storage to multiple servers through dedicated channels.B、A collection of disks presented as storage to a single server through an existing network.C、A collection of disks presented as storage to a single server through directly attached technologies.D、A collection of disks presented as storage to multiple servers through an existing network.
考题
Which statement is true for the class java.util.ArrayList？（） A、 The elements in the collection are ordered.B、 The collection is guaranteed to be immutable.C、 The elements in the collection are guaranteed to be unique.D、 The elements in the collection are accessed using a unique key.E、 The elements in the collections are guaranteed to be synchronized.
考题
Which statements about the garbage collection are true？（） A、 The program developer must create a thread to be responsible for free the memory.B、 The garbage collection will check for and free memory no longer needed.C、 The garbage collection allow the program developer to explicity and immediately free the memory.D、 The garbage collection can free the memory used java object at expect time.
考题
Which of these statements concerning the collection interfaces are true？（） A、Set extends Collection.B、All methods defined in Set are also defined in Collection.C、List extends Collection.D、All methods defined in List are also defined in Collection.E、Map extends Collection.
考题
class A { } class Alpha { private A myA = new A（）； void dolt（ A a ） { a = null； } void tryIt（） { dolt（ myA ）； } } Which two statements are correct？（） A、 There are no instanced of A that will become eligible for garbage collection.B、 Explicitly setting myA to null marks that instance to be eligible for garbage collection.C、 Any call on tryIt（） causes the private instance of A to be marked for garbage collection.D、 Private instances of A become eligible for garbage collection when instances of Alpha become eligible for garbage collection.
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Oracle JRockit JVM uses -Xns option to set nursery size when the generational garbage collection mode is used. Which two JVM properties are affected by changing its size ？（）A、 compaction ratio limitB、 garbage collection frequencyC、 garbage collection timesD、 fragmentation heap size
考题
多选题Which of these statements concerning the collection interfaces are true？（）ASet extends Collection.BAll methods defined in Set are also defined in Collection.CList extends Collection.DAll methods defined in List are also defined in Collection.EMap extends Collection.
考题
单选题Which statement is true for the class java.util.ArrayList？（）A
The elements in the collection are ordered.B
The collection is guaranteed to be immutable.C
The elements in the collection are guaranteed to be unique.D
The elements in the collection are accessed using a unique key.E
The elements in the collections are guaranteed to be synchronized.
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