Question

JAVA高手帮我解决一下这个代码问题

package com.bojo;
package com.db.*;
import java.sql.*;
public class Student
{ private string xh;
private string xm;
private string xb;
private string sr;

public string xh;
{
return xh;
}
public string xm;
{
return xm;
}
public string xb;
{
return xb;
}
public string sr;
{
return sr;
}
public void setXh(String xh)
{
this.xh=xh;
}
public void setXm(String xm)
{
this.xm=xm;
}
public void setXb(String xb)
{
this.xb=xb;
}
public void setSr(String sr)
{
this.sr=sr;
}
public int add()
{
DBUtil db=new DBUtil();
String sql="insert into t_student(xuehao,xingming,xingbie,shengri) values('"+xh+"','"+xm+"','"+xb+"','"+sr+"')";
return db.execuUpdate(sql);
}
public int del()
{
DBUtil db=new DBUtil();
String sql="delete from t_student xuehao='"+xh+"'";
return db.execuUpdate(sql);
}
public int edit()
{
DBUtil db=new DBUtil();
String sql="";
return db.execuUpdate(sql);
}
public ResultSet getAll()
{ DBUtil db=new DBUtil();
String sql="select * from t_student where xuehao='"+xh+"'" ;
return db.execuQuery(sql);
}
}

编译提示 需要为class interface或enum```什么意思？

Answer 1

public string xh;
{
return xh;
}
public string xm;
{
return xm;
}
public string xb;
{
return xb;
}
public string sr;
{
return sr;
}

改为拍闷猜get方法罩掘：袭型
public string getXh()
{
return xh;
}
public string getXm()
{
return xm;
}
public string getXb()
{
return xb;
}
public string getSr()
{
return sr;
}

Answer 2

public string xh;
{
return xh;
}
public string xm;
{
return xm;
}
public string xb;
{
return xb;
}
public string sr;
{
return sr;
}
这些是什么意思。似乎都不对，你应咐如该把这些都改了，它们到底是毁简侍方法？还是ENUM类型？你必须定纤吵义一下。你上边写的是语法错误。