package DB;import java.util.Properties;
import java.io.FileInputStream;public class GeProperties extends Properties
{
public GeProperties(String configFile)
{
........
}
}
package DB;
import java.io.*;
import java.sql.*;
import DB.*;
public class DBManager {
static public int InitDBPool(GeProperties prop){
......
}
}而在
static public int InitDBPool(GeProperties prop){
代码中老提示GeProperties can not be resolved
急救~!!!
import java.io.FileInputStream;public class GeProperties extends Properties
{
public GeProperties(String configFile)
{
........
}
}
package DB;
import java.io.*;
import java.sql.*;
import DB.*;
public class DBManager {
static public int InitDBPool(GeProperties prop){
......
}
}而在
static public int InitDBPool(GeProperties prop){
代码中老提示GeProperties can not be resolved
急救~!!!
{
public GeProperties(String configFile)
{
........
}
}
在继承过程中,子类只有无参数的构造函数会自动调用父类的无参数构造函数,带参数的构造函数要首先调用父类的对应构造函数