问题:
[多选题]5. 下面能够生成5个空字符串的语句有______。
A.String a[]=new String[5];for(int i=0;i<5;a[i++]="");
B.String a[]={"","","","",""};
C.String []a=new String[5];for(int i=0;i<5.a[i++]=null);
D.String a[5];
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