public String execute() throws Exception {\x05\x05Map request=(Map)ActionContext.getContext().get("request");\x05\x05request.put("list",readerService.findAllReader());\x05\x05return SUCCESS;\x05}请问这个Map request=(Map)ActionContext.getContext()

这些语句是在干什么?public int TID;public String TNum;public String TDate;public String TPrice;public String TFrom;public String TTo;public String TFtime;public String TTtime;public int count;public Vector v_sd;public String error; HTML部分代码：游>RadioButtonList事件：protected void rdoMode_T_SelectedIndexChanged(object sender,EventArgs e){ID_Area_Line();}部分代码：public static string strID_World;public static string strName_World;public static string strID_Area override public override string ToString()中的override是什么意思? 下面这段代码,谁能帮我解释一下,谢谢了!public string _deal = {%}; //分隔符 public string getTileCity(string title) { string[] stringSeparators = new string[] { _deal }; //分割字符串 string[] titles = 请问static什么意思public static string s;public string s;两者有什么区别呢,能解释一下static吗, class A{ public A(){ System.out.println( String a); } }class B extends A{public B(){System.out.println(String b);}}class C extends B{public C(){System.out.println(String c);}}public class ConstructorTest{ public static void main(Stringargs[]){C public class Example{public static void main(String[] args){for (int outer=0;out public class a { public static void main(String [] args){ String str=Look, look!; public String result = str.toUpperCase(); System.out.println(String); } } 第四行提示Illegal modifier for parameter result; only final is permitted,System.out.pri c# base的意义public abstract class B { public B(D t) { Console.WriteLine(B); } public void K() { Console.WriteLine(K); } } public class C : B { public C(String string. string. 一直提示找不到符号class Humam{String name;String sex;int age;String addr; void work(){System.out.println(我在工作);}void eat(){System.out.println(我在吃饭);}}public class Humandemo2{public static void main(String[] args){ //创 JAVA program about compareTo methodConsoder the following incomplete declaration of a Name class.public class Name something missing{private String first;private String last;public Name(String firstName,String lastName){first=firstName;last=lastName; return new Employee{FirstName=firstName,LastName=lastName};是什么用法public class Employee{ public static Employee CreateEmployee(string firstName,string lastName){ return new Employee{FirstName=firstName,LastName=lastName};}public string FirstN C#语法的问题 get set的用法public class Users { private int _userid; private string _username; private string _userpwd; public int UserId { get { return this._userid; } set { this._userid = value; } } public string UserName { get { return this C#语法问题 this的用法public class Users{private int _userid;private string _username;private string _userpwd;public int UserId{get { return this._userid; }set { this._userid = value; }}public string UserName{get { return this._username; }set { 请问一下下面两条Java语句有什么区别?public static void main(String[] args)｛｝public static void main(String arg[])｛｝ public String removeType(String sou){String result=sou;if(sou.indexOf(^^)>0){result=sou.substring(0,sou.indexOf(^^));}return result;}