自定义范围取偶数

 

public static void even(int start, int end){
 int leng = (end - start) + 1 ;
 int evenNumber [] = new int [leng];//定义接收偶数的数组长度
 for (int i = 0 ; i < leng; i ++){
  if( start % 2 == 0 )
   System.out.print(start+","); 
   start ++;
 }
}