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a).
public class Fred{
public int x = 0;
public Fred (int x){
      this.x=x;
}
}
b).
public class fred{
public int x = 0;
public Fred (int x){
this.x=x;
}
}
c).
public class Fred extends MyBaseClass, MyOtherBaseClass{
public int x = 0;
public Fred(int xval){
   x=xval;
}
}
d).
protected class Fred{
private int x = 0;
private Fred (int xval){
     x=xval;
}
}
A. a)
B. b)
C. c)
D. d)
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A. protected
B. public
C. private
D. ²»ÐèÒªÈκÎÐÞ´Ç´Ê
3.ÏÂÃæÄǸöÊÇRunable½Ó¿ÚµÄ·½·¨£¿a
A. run
B. start
C. yield
D. stop
4.¸ø³öÀà¿ò¼ÜÈçÏ£º
class Example{
   private int x;
   //rest of class body…
}
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A. ÉùÃ÷xΪpublic¶ø²»ÊÇprivate
B. ÉùÃ÷xΪstatic¶ø²»ÊÇprivate
C. ÉùÃ÷xΪprotected¶ø²»ÊÇprivate
D. ÉùÃ÷xΪfinal¶ø²»ÊÇprivate
5.¸ø³ö£ºÒÔÏÂÀà
public class ReturnIt{
ReturnType methodA(byte x,double y){
   return (short)x/y*2;
}
}
¶ÔÓÚÔÚµÚ¶þÐеķ½·¨methodA£¬ËûµÄ·µ»ØÖµµÄÀàÐÍÓ¦¸ÃÊÇ f
A. int
B. byte
C. long
D. short
E. float
F. double
6.ÏÂÃæÁгöµÄÄǸöÊÇjavaµÄ±£Áô×Ö£¿                 b
A. if
B. goto
C. while
D. case
E. then
7.Ê®½øÖƱäÁ¿iµÄֵΪ12£¬ÄÇô°Ë½øÖƵıäÁ¿iµÄֵΪ£º                      d
A. O08
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D. O14
E. O16
8.ÏÂÁÐÄÄЩ˵·¨ÊÇÕýÈ·µÄ£¿                              d
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{
public static void main(String[] args)
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