Java七夕代码照片墙 java编程代码图片

java练习题求完整代码

按照题目要求编写的用javaBean规范设计的学生类Student的Java程序如下

需要创建user.java.test包,把Student.java文件和Test.java文件放入包中,编译Student.java文件并且编译运行Test.java文件得到运行结果

Student.java文件代码如下

package user.java.test;

import java.io.Serializable;

public class Student implements Serializable{

private static final long serialVersionUID = 1L;

private String no;

private String name;

private double score;

public Student(){}

public Student(String no,String name,double score){

this.no=no;

this.name=name;

this.score=score;

}

public String getNo(){ return no;}

public void setNo(String no){ this.no=no;}

public String getName(){ return name;}

public void setName(String name){ this.name=name;}

public double getScore(){ return score;}

public void setScore(double score){ this.score=score;}

public String toString(){

return "学号:"+no+",姓名:"+name+",成绩:"+score;

}

public static double getAvg(Student[] sArray){

double sum=0,avg;

for(int i=0;isArray.length;i++){

sum=sum+sArray[i].getScore();

}

avg=sum/sArray.length;

return avg;

}

}

Test.java文件代码如下

package user.java.test;

public class Test{

public static void main(String[] args){

Student[] sArray=new Student[5];

sArray[0]=new Student("001","张三",89.5);

sArray[1]=new Student("002","李四",82.5);

sArray[2]=new Student("003","王五",93);

sArray[3]=new Student("004","赵六",73.5);

sArray[4]=new Student("005","孙七",66);

System.out.println("这些学生的平均分:"+Student.getAvg(sArray));

for(int i=0;isArray.length;i++){

System.out.println(sArray[i].toString());

}

}

}

求Java万年历源代码!!!

我有个JS的要么？

你可以把他改下我是没时间帮你该哈！！！

!--日期框选择--

var DS_x,DS_y;

function dateSelector() //构造dateSelector对象，用来实现一个日历形式的日期输入框。

{

var myDate=new Date();

this.year=myDate.getFullYear(); //定义year属性，年份，默认值为当前系统年份。

this.month=myDate.getMonth()+1; //定义month属性，月份，默认值为当前系统月份。

this.date=myDate.getDate(); //定义date属性，日，默认值为当前系统的日。

this.inputName=''; //定义inputName属性，即输入框的name，默认值为空。注意：在同一页中出现多个日期输入框，不能有重复的name！

this.display=display; //定义display方法，用来显示日期输入框。

}

function display() //定义dateSelector的display方法，它将实现一个日历形式的日期选择框。

{

var week=new Array('日','一','二','三','四','五','六');

document.write("style type=text/css");

document.write(" .ds_font td,span { font: normal 12px 宋体; color: #000000; }");

document.write(" .ds_border { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");

document.write(" .ds_border2 { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");

document.write("/style");

var M=new String(this.month);

var d=new String(this.date);

if(M.length==1d.length==1){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-0"+this.month+"-0"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==1d.length==2){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-0"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==2d.length==1){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-0"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==2d.length==2){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

document.write("button style='width:60px;height:18px;font-size:12px;margin:1px;border:1px solid #A4B3C8;background-color:#DFE7EF;' type=button onclick=this.nextSibling.style.display='block' onfocus=this.blur()日期/button");

document.write("div style='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible' onselectstart='return false;'");

document.write(" div style='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1px solid #245B7D;' class=ds_font");

document.write(" table cellpadding=0 cellspacing=1 width=140 height=20 bgcolor=#CEDAE7 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");

document.write(" tr align=center");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subYear(this) title='减小年份'/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subMonth(this) title='减小月份'/td");

document.write(" td width=52%b"+this.year+"/bb年/bb"+this.month+"/bb月/b/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addMonth(this) title='增加月份'/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addYear(this) title='增加年份'/td");

document.write(" /tr");

document.write(" /table");

document.write(" table cellpadding=0 cellspacing=0 width=140 height=20 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");

document.write(" tr align=center");

for(i=0;i7;i++)

document.write(" td"+week[i]+"/td");

document.write(" /tr");

document.write(" /table");

document.write(" table cellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE");

for(i=0;i6;i++)

{

document.write(" tr align=center");

for(j=0;j7;j++)

document.write(" td width=10% height=16 onmouseover=if(this.innerText!=''this.className!='ds_border2')this.className='ds_border' onmouseout=if(this.className!='ds_border2')this.className='' onclick=getValue(this,document.all('DS_"+this.inputName+"'))/td");

document.write(" /tr");

}

document.write(" /table");

document.write(" span style=cursor:hand onclick=this.parentNode.parentNode.style.display='none'【关闭】/span");

document.write(" /div");

document.write("/div");

dateShow(document.all("DS_"+this.inputName).nextSibling.nextSibling.childNodes[0].childNodes[2],this.year,this.month)

}

function subYear(obj) //减小年份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

myObj[0].innerHTML=eval(myObj[0].innerHTML)-1;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function addYear(obj) //增加年份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

myObj[0].innerHTML=eval(myObj[0].innerHTML)+1;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function subMonth(obj) //减小月份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

var month=eval(myObj[2].innerHTML)-1;

if(month==0)

{

month=12;

subYear(obj);

}

myObj[2].innerHTML=month;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function addMonth(obj) //增加月份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

var month=eval(myObj[2].innerHTML)+1;

if(month==13)

{

month=1;

addYear(obj);

}

myObj[2].innerHTML=month;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function dateShow(obj,year,month) //显示各月份的日

{

var myDate=new Date(year,month-1,1);

var today=new Date();

var day=myDate.getDay();

var selectDate=obj.parentNode.parentNode.previousSibling.previousSibling.value.split('-');

var length;

switch(month)

{

case 1:

case 3:

case 5:

case 7:

case 8:

case 10:

case 12:

length=31;

break;

case 4:

case 6:

case 9:

case 11:

length=30;

break;

case 2:

if((year%4==0)(year%100!=0)||(year%400==0))

length=29;

else

length=28;

}

for(i=0;iobj.cells.length;i++)

{

obj.cells[i].innerHTML='';

obj.cells[i].style.color='';

obj.cells[i].className='';

}

for(i=0;ilength;i++)

{

obj.cells[i+day].innerHTML=(i+1);

if(year==today.getFullYear()(month-1)==today.getMonth()(i+1)==today.getDate())

obj.cells[i+day].style.color='red';

if(year==eval(selectDate[0])month==eval(selectDate[1])(i+1)==eval(selectDate[2]))

obj.cells[i+day].className='ds_border2';

}

}

function getValue(obj,inputObj) //把选择的日期传给输入框

{

var myObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;

if(obj.innerHTML)

if(obj.innerHTML.length==1myObj[2].innerHTML.length==1)

inputObj.value=myObj[0].innerHTML+"-0"+myObj[2].innerHTML+"-0"+obj.innerHTML;

else if(obj.innerHTML.length==1myObj[2].innerHTML.length==2)

inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-0"+obj.innerHTML;

else if(obj.innerHTML.length==2myObj[2].innerHTML.length==1)

inputObj.value=myObj[0].innerHTML+"-0"+myObj[2].innerHTML+"-"+obj.innerHTML;

else if(obj.innerHTML.length==2myObj[2].innerHTML.length==2)

inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-"+obj.innerHTML;

inputObj.nextSibling.nextSibling.style.display='none';

for(i=0;iobj.parentNode.parentNode.parentNode.cells.length;i++)

obj.parentNode.parentNode.parentNode.cells[i].className='';

obj.className='ds_border2'

}

function dsMove(obj) //实现层的拖移

{

if(event.button==1)

{

var X=obj.clientLeft;

var Y=obj.clientTop;

obj.style.pixelLeft=X+(event.x-DS_x);

obj.style.pixelTop=Y+(event.y-DS_y);

}

}

/***调用代码**

script language=javascript

var myDate=new dateSelector();

myDate.year=1900;//morenqiri

myDate.inputName='date'; //

myDate.display();

/script

*/

怎么为Java程序添加背景图片代码？

仅仅是给窗口添加背景的话是很简单的，添加上以下语句（自己去添加变量哈）：\x0d\x0a\x0d\x0alabel = new JLabel(background); //background为ImageIcon\x0d\x0a// 把标签的大小位置设置为图片刚好填充整个面板 \x0d\x0alabel.setBounds(0, 0, this.getWidth(), this.getHeight());\x0d\x0a//添加图片到frame的第二层(把背景图片添加到分层窗格的最底层作为背景)\x0d\x0athis.getLayeredPane().add(label,new Integer(Integer.MIN_VALUE));\x0d\x0a//把内容窗格转化为JPanel，否则不能用方法setOpaque()来使内容窗格透明\x0d\x0ajPanel=(JPanel)this.getContentPane();\x0d\x0a//设置透明\x0d\x0ajPanel.setOpaque(false);\x0d\x0a\x0d\x0a然后你上面那个JPanel p也设置成透明就可以了