921 お客様のコメント
質問 1：
Within a custom UI component, which two statements about the commitProperties() method are true? (Choose two.)
A. It will be invoked manually within your component's constructor
B. It coordinates changes to component properties
C. It is usually invoked before the addElement() method
D. It will be scheduled to run at the next render event after invalidateProperties() has been called
E. It is usually invoked before the createChildren() method
正解：B,D
質問 2：
You want to use a Spark item renderer. What must you do?
A. Define an external component derived from a Spark control
B. Define a component, either externally or inline, derived from the ItemRenderer class
C. Define an inline component derived from a Spark control
D. Define a component, either externally or inline, derived from any Spark container
正解：B
質問 3：
You want to use a field to capture a single line of typed input, with an approximate width of 30 characters. Which statement should you use?
A. <s:TextInput width="30"/>
B. <s:TextInput widthInChars="30"/>
C. <s:TextArea measuredWidth="30"/>
D. <s:TextInput measuredWidth="30"/>
正解：B
質問 4：
Which three are valid ItemRenderer implementation approaches in Flex? (Choose three.)
A. superclass
B. drop-in
C. inline
D. interface
E. component
正解：B,C,E
質問 5：
Which class allows you to write the contents of a string to a file on the file system and is only available in AIR?
A. File
B. FileMode
C. FileReference
D. FileStream
正解：D
Within a custom UI component, which two statements about the commitProperties() method are true? (Choose two.)
A. It will be invoked manually within your component's constructor
B. It coordinates changes to component properties
C. It is usually invoked before the addElement() method
D. It will be scheduled to run at the next render event after invalidateProperties() has been called
E. It is usually invoked before the createChildren() method
正解：B,D
質問 2：
You want to use a Spark item renderer. What must you do?
A. Define an external component derived from a Spark control
B. Define a component, either externally or inline, derived from the ItemRenderer class
C. Define an inline component derived from a Spark control
D. Define a component, either externally or inline, derived from any Spark container
正解：B
質問 3：
You want to use a field to capture a single line of typed input, with an approximate width of 30 characters. Which statement should you use?
A. <s:TextInput width="30"/>
B. <s:TextInput widthInChars="30"/>
C. <s:TextArea measuredWidth="30"/>
D. <s:TextInput measuredWidth="30"/>
正解：B
質問 4：
Which three are valid ItemRenderer implementation approaches in Flex? (Choose three.)
A. superclass
B. drop-in
C. inline
D. interface
E. component
正解：B,C,E
質問 5：
Which class allows you to write the contents of a string to a file on the file system and is only available in AIR?
A. File
B. FileMode
C. FileReference
D. FileStream
正解：D
Kumagai -
非常にありがたいです。これだけ内容が充実しているのにこの安さは正直驚きです。