//iplabel.java import java.net.*; import java.awt.*; import javax.swing.*;  public class iplabel { JFrame frame; JLabel label1,label2; JPanel panel; String ip,address;  
public void getip() { try { InetAddress addr = InetAddress.getLocalHost(); ip=addr.getHostAddress().toString();//获得本机IP address=addr.getHostName().toString();//获得本机名称  
 //System.out.println("addr=:"+String.valueOf(addr)); } catch(Exception e) { System.out.println("Bad IP Address!"+e); }  }  
public void showframe() { frame=new JFrame("my ip"); label1=new JLabel("this my ip"); label1.setText(ip); label2=new JLabel("this my address"); label2.setText(address); panel=new JPanel(); panel.add(label1); panel.add(label2); frame.getContentPane().add(panel);  
frame.setSize(400,300); frame.setVisible(true); }  
public static void main(String agrs[]) { iplabel myip=new iplabel(); myip.getip(); myip.showframe();  
} }
    
 
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