摘要： 1.关于1...n的全排列。比如:1,2,3的全排列为123,132,213,231,312,321public class Test { public static void main(String[] args) throws Exception { String[] array = new String[] { "1", "2","3"}; int length=array.length; listAll(Arrays.asList(array), "",length); } public static vo 阅读全文