A programmer is designing a class to encapsulate the information about an inventory item. A JavaBeans component is needed to do this. The Inventoryltem class has private instance variables to store the item information： 
10. private int itemId； 
11. private String name； 
12. private String description； 
Which method signature follows the JavaBeans naming standards for modifying the itemld instance variable？（） 

A programmer needs to create a logging method that can ...

单项选择题

A programmer needs to create a logging method that can accept an arbitrary number of arguments. For example， it may be called in these ways： 
logIt（”log message 1 “）； 
logIt（”log message2”，”log message3”）； 
logIt（”log message4”， “log message5”， “log message6）； 
Which declaration satisfies this requirement？（）

10. class Foo {  11. static void alpha（） { /* more code...

多项选择题

10. class Foo { 
11. static void alpha（） { /* more code here */ } 
12. void beta（） { /* more code here */ } 
13. } 
Which two are true？（）

11. public static void main（String[] args） {  12. Objec...

单项选择题

11. public static void main（String[] args） { 
12. Object obj =new int[] { 1，2，3 }； 
13. int[] someArray = （int[]）obj； 
14. for （int i： someArray） System.out.print（i +“ “） 
15. } 
What is the result？ （）