摘要:
int [] numbers = new int[]{1,6,2,8,1,5,9}; for (int i = 0; i < numbers.length - 1; i++) { System.out.println(" i = " + i + " " + numbers[i]); for (int 阅读全文
摘要:
递归求和,如1+2+3+...+n; /** * 递归求和 1+2+3+...+n * @param n * @return */ public static int sum(int n){ if (n < 1) { return 0; } return sum(n - 1) + n; } 阅读全文