import java.util.Properties;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;public class inout {
public inout() {
} public static void main(String[] args) throws FileNotFoundException,
IOException {
inout inout = new inout();
Properties setupfile = new Properties();
FileInputStream fis = new FileInputStream("2.txt");
setupfile.load(fis); }
}我在硬盘(d)上建立了一个D:\2.txt 文件
程序运行之后就出错。
错误如下:
Exception in thread "main" java.io.FileNotFoundException: 2.txt (指定されたファイルが見つかりません。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at get.picture.from.panel.inout.main(inout.java:16)
Debug之后的错误:
Hit uncaught exception java.io.FileNotFoundException
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;public class inout {
public inout() {
} public static void main(String[] args) throws FileNotFoundException,
IOException {
inout inout = new inout();
Properties setupfile = new Properties();
FileInputStream fis = new FileInputStream("2.txt");
setupfile.load(fis); }
}我在硬盘(d)上建立了一个D:\2.txt 文件
程序运行之后就出错。
错误如下:
Exception in thread "main" java.io.FileNotFoundException: 2.txt (指定されたファイルが見つかりません。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at get.picture.from.panel.inout.main(inout.java:16)
Debug之后的错误:
Hit uncaught exception java.io.FileNotFoundException
改成
FileInputStream fis = new FileInputStream("d:\\2.txt");
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException; public class inout {
public inout() {
} public static void main(String[] args) throws FileNotFoundException,
IOException {
inout inout = new inout();
Properties setupfile = new Properties();
FileInputStream fis = new FileInputStream("2.txt");
//错误信息是:没有发现2.txt文件,原因是路径问题,你的2.txt要么放在class目录下,要么就放到src目录下,这样就可以编译到class目录下
setupfile.load(fis); }
}
d://2.txt
Session session = Session.getDefaultInstance(props,
new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, password);
}
}
)
这段代码是不是就是 用账号和密码 连接到邮箱 或者是 登陆到邮箱上
怎么检查是不是 已经建立好连接了 我想用System.out.print() 来写