摘要：
1 public static void main(String[] args) { 2 int[] data = new int[10]; 3 for (int i = 0; i < 10; i++) { 4 data[i] = i+1; 5 } 6 int temp; 7 for (int i 阅读全文
摘要：
public static void main(String[] args) { char buf[] = { 'a', 'b', 'c','d','e'}; Set<String> set = new HashSet<>(); perm(buf, 0, buf.length-1,set); Sys 阅读全文