java编写程序,用while循环100以内-1+1/2-1/3+1/4-……-1/99+1/10

public class Su { public static void main(String[] args) { int sum = 0; int jia= 0; int jian = 0; for(int i =1; i<=100; i++) { if(i % 2 != 0) { jia = i+1;