摘要：
import java.util.Scanner; public class test { public static void main(String[] args) { Scanner Hy=new Scanner(System.in); double x1,x2,y1,y2; System.o 阅读全文
摘要：
import java.util.Scanner;public class test { public static void main(String[] args) { Scanner Hy=new Scanner(System.in); String Hyper; System.out.prin 阅读全文