摘要:
1.表act_employee 2.表act_part 3.求:展示以下结果 SQL语句编写: SELECT a.`name`, a.salary, b.`name` FROM act_employee a, act_part b WHERE a.part_id = b.id AND a.salar 阅读全文
摘要:
Java代码: package com.linked; class B{ public int data; //数据 public B before=null; //前驱 public B after=null; //后继 public B(){ } public B(int data,B befo 阅读全文
摘要:
Java代码: package com.linked; class A{ public int data; public A next=null; public A(){ } public A(int data,A next){ this.data=data; this.next=next; } } 阅读全文