从Java中的另一个类访问变量的实例

添加吸气剂：

public class Whatever {    private BlockingQueue<byte[]> buffer = new linkedBlockingQueue<byte[]>();    public BlockingQueue<byte[]> getBuffer() {        return buffer;    }}

然后，如果您有Whatever的实例：

Whatever w = new Whatever();BlockingQueue<byte[]> buffer = w.getBuffer();