多选题Which statements concerning the event model of the AWT are true?()AAt most one listener of each type can be registered with a component.BMouse motion listeners can be registered on a List instance.CThere exists a class named ContainerEvent in package j

题目
多选题
Which statements concerning the event model of the AWT are true?()
A

At most one listener of each type can be registered with a component.

B

Mouse motion listeners can be registered on a List instance.

C

There exists a class named ContainerEvent in package java.awt.event.

D

There exists a class named MouseMotionEvent in package java.awt.event.

E

There exists a class named ActionAdapter in package java.awt.event.

如果没有搜索结果或未解决您的问题,请直接 联系老师 获取答案。
相似问题和答案

第1题:

package foo;  public class Outer {  public static class Inner {  }  }   Which statement is true?() 

  • A、 Compilation fails.
  • B、 An instance of the Inner class can be constructed with “new Outer.Inner()”.
  • C、 An instance of the Inner class cannot be constructed outside of package foo.
  • D、 An instance of the Inner class can be constructed only from within the Outer class.
  • E、 From within the package foo, and instance of the Inner class can be constructed with “new Inner()”.

正确答案:B

第2题:

package foo; public class Outer (  public static class Inner (  )  )   Which statement is true? () 

  • A、 An instance of the Inner class can be constructed with “new Outer.Inner ()”
  • B、 An instance of the inner class cannot be constructed outside of package foo.
  • C、 An instance of the inner class can only be constructed from within the outer class.
  • D、 From within the package bar, an instance of the inner class can be constructed with “new inner()”

正确答案:A

第3题:

Which two statements are true about a job chain? ()(Choose two.)

A. A job chain can contain a nested chain of jobs.

B. The jobs in a job chain cannot have more than one dependency.

C. A job of the CHAIN type can be run using event-based or time-based schedules.

D. The jobs in a job chain can be executed only by using the events generated by the Scheduler


参考答案:A, C

第4题:

Which two statements are true about a job chain?()

  • A、A job chain can contain a nested chain of jobs.
  • B、The jobs in a job chain cannot have more than one dependency.
  • C、A job of the CHAIN type can be run using event-based or time-based schedules.
  • D、The jobs in a job chain can be executed only by using the events generated by the Scheduler

正确答案:A,C

第5题:

Which  statements are true regarding listeners()

  • A、Listeners use only the TCP/IP protocol.
  • B、Multiple listener processes can run simultaneously on a host.
  • C、Multiple database instances can be registered with a single listener.
  • D、The listener-related errors can be traced only at the administrative level.
  • E、Only one database instance can be registered with a single listener at any time

正确答案:B,C

第6题:

以下()有关事件监听器的语句是正确的。

  • A、Multiple listeners can be attached to one component
  • B、Only one listener can be attached to one component
  • C、One listener can receive and process the events from multiple components
  • D、One listener can receive and process the events from only one component

正确答案:A,C

第7题:

For which three events can web application event listeners be registered?()

  • A、When a session is created
  • B、After a servlet is destroyed
  • C、When a session has timed out
  • D、When a cookie has been created
  • E、When a servlet has forwarded a request
  • F、When a session attribute value is changed

正确答案:A,C,F

第8题:

Which statements concerning the switch construct are true?()  

  • A、All switch statements must have a default label.
  • B、There must be exactly one label for each code segment in a switch statement.
  • C、The keyword continue can never occur within the body of a switch statement.
  • D、No case label may follow a default label within a single switch statement.
  • E、A character literal can be used as a value for a case label.

正确答案:E

第9题:

Which two statements are true regarding the WebLogic domain?()

  • A、A WebLogic domain can have more than one Administration server.
  • B、A WebLogic domain has at least one WebLogic server.
  • C、A WebLogic domain can have at the most one cluster.  
  • D、A WebLogic domain can cross multiple physical machines.  
  • E、Each WebLogic domain is associated with a different Node Manager.

正确答案:B,D

第10题:

Which two statements are true about a job chain? ()(Choose two.)

  • A、A job chain can contain a nested chain of jobs.
  • B、The jobs in a job chain cannot have more than one dependency.
  • C、A job of the CHAIN type can be run using event-based or time-based schedules.
  • D、The jobs in a job chain can be executed only by using the events generated by the Scheduler

正确答案:A,C

更多相关问题