细思极恐：你真的会写 Java 吗?

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发布时间：2019-02-28

本文共 2206 字，大约阅读时间需要 7 分钟。

?????????Java?????????????????????

??????4?Java??????????????????????????????????????????????????????????????????????????????Java????

1. Java???????

1.1 ?????????

??????"?"???????Eclipse??????????????????????????????????????Eclipse???????????????????????????IntelliJ IDEA???Java????????IDE???????????????????????????

1.2 ??IDE????

???????IDE?????????????????????IDE?IntelliJ IDEA?????????????????????????????????????IDE????????????????????

1.3 bean?????

?Java??bean???????????????????????????bean?????????????????????????

??????bean??????com.xxx.entity???????com.xxx.domain????????????????

DTO?BO?????????????DTO???????BO??????????????????BeanUtils??????????????????

1.4 ????????

????????????????????Spring?JSR-303????????????????@Valid???BindingResult????????????????????????

1.5 ??Lombok

Lombok?????????????Java??????????????????@Getter?@Setter?@Data?@NoArgsConstructor????????????????????????????????

2. Java???????

2.1 ??????

?????????????????????Student??????????????????

Student student = Student.builder().name("??").age(24).build();

???????????????????????????

2.2 ???????Builder??

???????????????new???????????????

public static Student of(String name) {    return new Student(name);}

Builder????????????????????????????????Builder??????????????????

2.3 Proxy?????

???REST API????Proxy???????????????????????????FilterRestTemplate?????????????????????RestTemplate???????

3. ?????????

3.1 ?????????

??????????????????????????????????????????????????????????????????????????????????

3.2 ?????????

?????????????????????????????????????????????????????????????????????????????????????????????

4. ???????Java???

4.1 ???????

???Java????????????????????????????????????????????????????????????????????

4.2 ???????

???????????????????????????????????????????????????????????????????????????pipeline?????????????

4.3 ???????????

Java???????????????????????????????????????????????????????????

5. ????

5.1 ????

UML????UML???????????????????????

Clean Code??????????????????????

Linux?????Linux????????????????

5.2 ???????

????????????????????????????????????????????????????????????

6. ??

???????Java????????????????????????????????????????????????????????????????????????????????????????????Java???????????

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