package cn.go4mi.util; public class Turns { //测试main方法 public static void main(String[] args) { String [] a={"a","b","c"}; String [] b={"d","e"}; String [] c={"f","j"}; String [] d={"h","i"}; String[] add = new Turns().turns(a, b,c,d); for (String string : add) { System.out.println(string); } } /** * 两两遍历 * @param array1 * @param array2 * @return */ public static String[] doubleTurns(String [] array1,String[] array2){ String [] target=new String[array1.length*array2.length]; for (int i = 0,a1=0,a2=0; i <array1.length*array2.length; i++) { target[i]=array1[a1]+","+array2[a2]; a2++; if(a2==array2.length){ a2=0; a1++; } } return target; } /** * 遍历组合 * @param arrays * @return */ public static String[] turns(String[] ...arrays){ if(arrays.length==1){ return arrays[0]; } if(arrays.length==0){ return null; } //获得总结果数 int count=0; for (int i = 0; i < arrays.length; i++) { count*=arrays[i].length; } String target[]=new String[count]; //两两遍历 for (int i = 0; i < arrays.length; i++) { if(i==0){ target=doubleTurns(arrays[0],arrays[1]); i++; }else{ target=doubleTurns(target,arrays[i]); } } return target; } }
时间: 2024-10-15 00:07:52