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char ra4 = £¨char£©£¨ra.nextInt£¨26£©+'a'£©;
System.out.println£¨ra4£©;
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int ra=a.nextInt£¨27£©;
switch£¨ra£© {
case 1:
System.out.println£¨"A"£©;
break;
case 2:
System.out.println£¨"B"£©;
break;
case 3:
switchÓï¾äÒ²¿ÉÒÔ

Random a=new Random£¨£©;
int s=a.nextInt£¨27£©;
if £¨s==1£© {
System.out.println£¨"1:A"£©;
}else if£¨s==2£© {
System.out.println£¨"2:B"£©;
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