public static void main(String[] args) { int i=1,j=0; //j換行符個數 StringBuilder builder = new StringBuilder(); //可變長度字符串 //漢字的Unicode碼的范圍:/u4e00~/u9fa5 for(char c='/u4e00';c<='/u9fa5';c++){ builder.append(c); if(i%30==0){ builder.append("/n"); j++; } i++; } System.out.PRintln(builder.length()-j); //漢字數 System.out.println(builder.toString()); }
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