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@SuppressWarnings("unchecked")
public Seed_Warehouse[] findSeedWarehouseByUserID(int userID)
throws SQLException {
String sql = "SELECT * from LESOGO_SEED_WAREHOUSE WHERE USER_ID = ?";
db.doPstm(sql, new Object[] { userID });
ResultSet rs = db.getRs();
if (rs != null) {
int i = 0; // »ñµÃÊý¾Ý¿â±íµÄÐÐÊý!
while (rs.next()) {
i++;
}
Seed_Warehouse[] sws = new Seed_Warehouse[i];
rs.beforeFirst(); // ¹â±êÖ¸ÏòÆðʼλÖÃ!
int j = 0;
while (rs.next()) {
Seed_Warehouse sw = new Seed_Warehouse();
sw.setId(rs.getInt(1));
sw.setCrop_class_name(rs.getString(2));
sw.setCrop_count(rs.getInt(3));
sw.setUser_id(rs.getInt(4));
sws[j++] = sw; // ΪÊý¾Ý¾ßÌåλÖÃϵĶÔÏó¸³Öµ!
}
return sws;
}
return null;
}
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Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld/class
Caused by: java.lang.ClassNotFoundException: HelloWorld.class
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
  ......
package io;
import java.io.*;
/**
* @author ¸ßÕíÎâÓÇ
* ÀûÓûº³åÇøÔÀí,BufferedInputStream,
* ʵÏÖµÄÎļþ×Ö½ÚÁ÷¶ÁÈ¡¹¦ÄÜʾ·¶
*
*/
public class BufferedInOutputStream { & ......
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Closing a URLClassLoader
By Michael McMahon
Complex Java programs, such as application servers, sometimes create their own class loaders using the URLClassLoader type. With URLClassLoader, applications can load classes and resources from a search path of URLs. The following URL types are ......