摘要：import java.util.Scanner;public class Circle1 { private double radius;//用于存放圆的半径； public Circle1 ()// 将半径设为0 { radius = 0; } public Circle1(double r){ 阅读全文

摘要：import java.util.Scanner;public class Gyb { public static void main(String[] args) { Scanner cin= new Scanner(System.in); System.out.println("请输入一个大于零 阅读全文

摘要：public class Yanghui { public static int[][]yanghui(int n) { int mat[][]=new int [n][]; for(i=0;i<n;i++) { mat[i]=new int[n+1]; mat[i][0]=mat[i][i]=1; 阅读全文

摘要：public class jiecheng { public static void main(String[] args) { int fun=1; for(int i=1;i<=10;i++) { fun=fun*i; } System.out.println(fun); } } 阅读全文