我想添加一个对象ArrayList,但每次我添加一个新对象到ArrayList3个属性:objt(name, address, contact)我得到一个错误.
import java.util.ArrayList;
import java.util.Scanner;
public class mainClass {
public static void main(String args[]){
Scanner input = new Scanner(System.in);
System.out.println("Plz enter Name : ");
String name = input.nextLine();
System.out.println("Plz enter Address : ");
String address = input.nextLine();
System.out.println("Plz enter ContactNo : ");
String contact = input.nextLine();
ArrayList<Data> Contacts = new ArrayList<Data>();
Data objt = new Data();
Contacts.add(objt.Data(name, address, contact));
}
}
在这里,Data我正在尝试创建一个对象并将其传递给一个类ArrayList.
public class Data {
private String …我正在研究谷歌地图我试图将标记添加到谷歌地图然后尝试删除它但现在我已经完成了添加和删除下面的代码
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>MapsApi</title>
<style>
#map_canvas {
width: 100%;
height: 500px;
background-color: #CCC;
}
#menu_bar{
width: 100%;
height: 150px;
position:absolute;
bottom:0px;
background-color: #CCC;
border-top:1px solid red;
}
body{
padding:0px;
margin:0px;
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var map;
var markers = [];
function initialize() {
var myLatlng = new google.maps.LatLng(44.5403, -78.5463);
var mapOptions = {
zoom: 4,
center: myLatlng
}
var map = new google.maps.Map(document.getElementById('map_canvas'), mapOptions);
google.maps.event.addListener(map, 'click', function(event) {
addMarker(event.latLng);
});
// add …我是MVC 4的新手,我想创建一个用于列出性别的下拉菜单.我尝试了很多,但没有任何帮助我,我也谷歌它但是invain.Please帮助我在它创建下拉菜单性别请指导我.