e045. deserializing an object.txt

来自「这里面包含了一百多个JAVA源文件」· 文本 代码 · 共 24 行

This example deserializes a javax.swing.JButton object. 
See also e44 Serializing an Object. 

    try {
        // Deserialize from a file
        File file = new File("filename.ser");
        ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
        // Deserialize the object
        javax.swing.JButton button = (javax.swing.JButton) in.readObject();
        in.close();
    
        // Get some byte array data
        byte[] bytes = getBytesFromFile(file);
        // see e36 Reading a File into a Byte Array for the implementation of this method
    
        // Deserialize from a byte array
        in = new ObjectInputStream(new ByteArrayInputStream(bytes));
        button = (javax.swing.JButton) in.readObject();
        in.close();
    } catch (ClassNotFoundException e) {
    } catch (IOException e) {
    }