//定义一个长度为50的数组
int[] numbers  = new int[50];
//定义一个map集合
Map maps = new HashMap();
int hashkey = 1;
HashMap<Integer,Integer> hashMap = new HashMap();
for (int k=1,j = (numbers[k] == 0?1:numbers[k]);k < 50 && j < 101;j++){
   if(j % 2 == 1){
      numbers[k] = j;
      k++;
      //System.out.println("奇数"+k);
   }else{
      hashMap.put(hashkey,j);
      hashkey++;
      //System.out.println("偶数"+k);
   }
}
//输出map结果
for (Integer j:hashMap.keySet()){
   System.out.println(j+"=="+hashMap.get(j));
}