Java打印所有unicode的代码片段

 1 char a = '\u0000';
 2 int d = 0;
 3 
 4 char c = a;
 5 do {
 6     d++;
 7     d %= 64;
 8     if (d + 1 == 64) {
 9         System.out.println();
10     }
11     System.out.print(c);
12     c++;
13 } while (c != a);