摘要:
Each proxy instance has an associated <i>invocation handler</i> * object, which implements the interface {@link InvocationHandler}. * A method invocat 阅读全文
摘要:
public class SendEmail extends Thread{ private User user; public SendEmail(User user) { this.user=user; } //发送人邮箱; private String fromEamil="发送人@qq.co 阅读全文
摘要:
public void test(){ long l = 1l; long l1=2l; int i; System.out.println(((Long) l).doubleValue()+" "); DecimalFormat df = new DecimalFormat("0%"); Stri 阅读全文