import?java.io.*;
class?AnagramApp?{
????static?int?size;
????static?char[]?arrChar;
????public?static?void?main(String[]?args)?throws?IOException?{
????????System.out.print("Enter?a?word:?");
????????String?input?=?getString();
????????size?=?input.length();
????????arrChar?=?new?char[size];
????????for?(int?j?=?0;?j?<?size;?j++)
????????????arrChar[j]?=?input.charAt(j);
????????doAnagram(size);
????}
????public?static?void?doAnagram(int?newSize)?{
????????if?(newSize==1)return;
????????for(int?i=0;i<newSize;++i){
????????????doAnagram(newSize-1);
????????????if?(newSize==2)
????????????????displayWord();
????????????rotate(newSize);
????????}
????}
????public?static?void?rotate(int?newSize)?{
????????int?positon=size-newSize;
????????char?temp=arrChar[positon];
????????int?j;
????????for?(j=positon+1;j<size;++j)
????????????arrChar[j-1]=arrChar[j];
????????arrChar[j-1]=temp;
????}
????public?static?void?displayWord()?{
????????for?(int?j?=?0;?j?<?size;?j++)
????????????System.out.print(arrChar[j]);
????????System.out.print("???");
????????System.out.flush();
????}
????public?static?String?getString()?throws?IOException?{
????????InputStreamReader?isr?=?new?InputStreamReader(System.in);
????????BufferedReader?br?=?new?BufferedReader(isr);
????????String?s?=?br.readLine();
????????return?s;
????}
}for(int i=0;i<newSize;++i)if (newSize==2)為什么用了它就不會重復顯示這兩段是如何想出來的
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