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45 lines (35 loc) · 809 Bytes
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package chapter_09;
/**
* 总结变量
*
* @author biezhi
* @date 2018/7/14
*/
public class Example2 {
class User {
long id;
}
class Request {
User user;
}
class Document {
long ownerId;
}
public void part1(Request request, Document document) {
if (request.user.id == document.ownerId) {
// 允许该用户编辑文档
}
if (request.user.id != document.ownerId) {
// 文档只读
}
}
public void part2(Request request, Document document) {
boolean userOwnsDocument = (request.user.id == document.ownerId);
if (userOwnsDocument) {
// 允许该用户编辑文档
}
if (!userOwnsDocument) {
// 文档只读
}
}
}