16jz_38383116109-优快云博客

原创 Time

package hys;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.lang.*;import java.util.*;public class RunnableTest extends JFrame implements Runnable { //创建

2017-11-14 20:27:54 203

原创文件的储存

package hys;import java.io.*;public class hys { static final String FileName="d:/student.txt"; public static void main(String[] args) throws IOException{ // TODO Auto-generate

2017-11-14 20:22:14 207

原创获取文件的信息

package hys;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.io.LineNumberReader;import java.io.RandomAccessFile;import java.util.Scanner;public class

2017-11-14 20:19:04 199

原创 copy

package hys;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.RandomAccessFile;import java.u

2017-11-14 20:15:31 150

原创登录界面java

package sss;import javax.swing.*;import java.awt.*;import java.awt.event.*;public class LoadIn extends JFrame implements ActionListener{ JPanel loginPan; JButton btnLogin,btnExit;

2017-11-14 19:26:08 450

原创 this

package kll;public class Student { String name; String sex; int age; public Student(String name, String sex,int age){ this.name=name;

2017-11-07 21:35:41 146

原创两个不同类型的重载“圆”

package kll;public class hys { public hys(){ System.out.println("两数相乘求积："); } public void mul(int x,int y){ System.out.println("求两个整数："+x+"*"

2017-11-07 21:31:29 197

原创按钮布局演示

package hys;package hysx;import java.awt.*; import javax.swing.*; public class LayoutTest extends JFrame { /** * */ private static final long serialVersionUI

2017-11-07 21:04:44 209

原创 Hello World图形用户界面

package lili;import java.awt.*;import javax.swing.JLabel;public class hello {public static void main(String[] args) {// TODO Auto-generated method stub Frame f=new Frame("标题-java图形用户界

2017-11-07 20:53:54 209

原创 Person

package Person;import java.util.Scanner;class Person{static //创建PersonString name;//定义变量name，static String name是用于第三个人的信息所需要的，前面两个人的信息不用静态的也可以static String sex;//同nameint age;//定义变量

2017-11-07 19:36:37 339

原创九九乘法表

public class ChengDemo { public static void main(String args[]){ for(int k = 1;k for(int j = 1;j System.out.print(j+"*"+k+"="+(j*k)+"\t"); //"\t"为制表符

2017-11-07 19:17:33 139

原创算术运算符的应用

package javas;public class Arith_math {public static void main(String[] args) {// TODO Auto-generated method stub int i_x=1; int i_y=2; int i_m=3,i_n=3; i

2017-11-01 19:35:02 266

原创三角形的判定

package javas;import java.util.Scanner;public class TriAngle {public static void main(String[] args) {// TODO Auto-generated method stub int a,b,c; System.out.println("

2017-11-01 19:21:48 315

原创计算圆的面积和周长

package javas;import java.util.Scanner; public class Circle { final float PI = 3.14159F; public float r = 0.0F; public float getArea(){ return (PI * r * r);

2017-10-31 20:06:50 621

原创学生成绩

import java.util.Scanner; public class Student {public static void main(String[] args) {// TODO Auto-generated method stub int score,grade; Scanner sc=new Scanner (System.in);

2017-10-17 19:57:07 331

原创类和对象

public class person {String name;String sex;int age;void getInfo(String n,String s,int a) {name=n;sex=s;age=a;}void showInfo() {System.out.println("姓名:"+name);System.out.printl

2017-09-27 20:29:45 192

原创菱形

package h920;public class tx {public static void main(String[] args) {// TODO Auto-generated method stub for(int i=0;ifor(int j=3;j>i;j--) {System.out.printf(" ");}

2017-09-26 19:55:45 161

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