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import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.util.ArrayList;import java.util.Lis 阅读全文
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import java.io.*; public class Writeron { private String filename; public Writeron(String filename) { this.filename = filename; } public void writeToF 阅读全文
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public class Text implements Comparable<Text>{ private double RealPart,ImagePart; public Text(){} public Text(double R,double I){ //R实部 I虚部；构造函数 this. 阅读全文
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import javax.swing.*;import java.awt.*;import java.awt.event.*;public class Caculator extends JFrame implements KeyListener{ //构造Caculator类private Con 阅读全文
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#include <stdio.h>#include <math.h>typedef struct date { int year; int month; int day; }Date;int isleapyear(int y);int islegal(Date a);int calcday(Dat 阅读全文
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n=eval(input("请输入n:"))s=1 while n<0: print("input error") n=eval(input("请输入n:"))if(n==0): s=1else: for i in range(1,n+1): s=s*i print("循环输出n的阶乘:{}".fo 阅读全文