JAVA 简历项目教程：从零基础到实战应用的进阶之路_1
姒傝堪
JAVA浣滀负缂栫▼鐣岀殑閲嶈璇█锛屽紩棰嗙潃鎶€鏈殑娴疆銆傛湰鏂囧叏鏂逛綅涓烘偍鎻ずJAVA鐨勫涔犺矾寰勶紝浠庡熀纭€瀹夎鍒伴珮绾у簲鐢ㄤ竴搴斾勘鍏ㄣ€傛湰鏂囧甫鎮ㄤ粠鍏ラ棬鍒板疄鎴橈紝鎼缓鐜銆佹帉鎻″熀鏈娉曘€佺啛鎮夋帶鍒舵祦绋嬨€佹繁鍏ラ潰鍚戝璞＄紪绋嬶紝骞舵帰绱㈠父鐢ㄦ鏋躲€侀」鐩瀯寤轰笌瀹炴垬鎶€宸с€傚睍鏈涙湭鏉ユ妧鏈秼鍔匡紝涓烘偍鍦↗AVA鐨勯亾璺笂鎻愪緵鍏ㄦ柟浣嶇殑鎸囧銆傛枃绔犺繕涓烘偍鍒嗕韩JAVA绠€鍘嗗埗浣滀笌浼樺寲鐨勭璇€锛屽姪鎮ㄥ湪鑱屽満鑴遍鑰屽嚭銆?/p>
JAVA鍏ラ棬鍩虹鐭ヨ瘑
涓€銆佸畨瑁呬笌閰嶇疆Java寮€鍙戠幆澧?/h3>鍦ㄥ紑鍚疛AVA缂栫▼涔嬫梾鍓嶏紝棣栧厛闇€瑕佸畨瑁呭苟閰嶇疆Java Development Kit (JDK)銆傛偍鍙互璁块棶Oracle鐨勫畼鏂圭綉绔欙紝涓嬭浇閫傚悎鎮ㄧ郴缁熺殑JDK鐗堟湰骞惰繘琛屽畨瑁呫€傜‘淇濆湪鐜鍙橀噺涓纭厤缃甁AVA_HOME鍜孭ATH锛屼互渚块『鐣呭紑灞曞悗缁伐浣溿€?/p>浜屻€佺ず渚嬩唬鐮?/h3>
涓嬮潰鏄竴娈电畝鍗曠殑HelloWorld绋嬪簭锛?/p>
```java
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
```
涓夈€丣AVA鍩烘湰璇硶璁茶В鍙橀噺涓庢暟鎹被鍨嬶細鍦↗ava涓紝浣跨敤鍙橀噺鍓嶉渶杩涜澹版槑锛屽０鏄庣殑鏍煎紡涓猴細鏁版嵁绫诲瀷 鍙橀噺鍚嶃€侸ava鎻愪緵浜嗗叓绉嶅師濮嬫暟鎹被鍨嬶紝鍖呮嫭byte銆乻hort銆乮nt銆乴ong銆乫loat銆乨ouble銆乧har浠ュ強boolean銆傝嫢瑕佸師濮嬬被鍨嬭浆鎹负鍖呰绫伙紝鍙娇鐢ㄥ byte 瀵瑰簲 Byte 杩欐牱鐨勬柟寮忚繘琛岃浆鎹€?/p>
杩愮畻绗︼細Java鏀寔鍩烘湰鐨勭畻鏈繍绠楃銆佹瘮杈冭繍绠楃銆侀€昏緫杩愮畻绗︿互鍙婁綅杩愮畻绗︺€備笅闈㈡槸涓€涓紨绀鸿繖浜涜繍绠楃浣跨敤鐨勭ず渚嬩唬鐮侊細
```java
public class Operators {
public static void main(String[] args) {
int a = 5; int b = 10;
System.out.println("鍔犳硶缁撴灉锛? + (a + b)); // 杈撳嚭鍔犳硶缁撴灉
System.out.println("涔樻硶缁撴灉锛? + (a b)); // 杈撳嚭涔樻硶缁撴灉
System.out.println("姣旇緝缁撴灉锛坅澶т簬b锛夛細" + (a > b)); // 杈撳嚭姣旇緝缁撴灉锛堝垽鏂璦鏄惁澶т簬b锛?/p>
System.out.println("閫昏緫AND缁撴灉锛? + (a > 0 && b > 0)); // 杈撳嚭閫昏緫AND缁撴灉锛堝垽鏂璦鍜宐鏄惁閮藉ぇ浜?锛?/p>
System.out.println("浣峅R缁撴灉锛? + (a | b)); // 杈撳嚭浣峅R缁撴灉锛堣繘琛屼綅杩愮畻锛? } } } } } } } }
鎺㈢储缂栫▼涓栫晫涓殑寰幆涓庨潰鍚戝璞＄紪绋?/p>
杩涘叆缂栫▼鐨勪笘鐣岋紝鎴戜滑棣栧厛瑕佷簡瑙ｇ殑鏄惊鐜粨鏋勩€傝繖鏄竴绉嶇紪绋嬫ā寮忥紝鍏佽鎴戜滑閲嶅鎵ц涓€娈典唬鐮侊紝鐩村埌婊¤冻鐗瑰畾鐨勬潯浠躲€傝鎴戜滑閫氳繃涓€涓畝鍗曠殑Java绀轰緥鏉ユ帰绱㈣繖涓€鐐广€?/p>
寰幆鐨勯瓍鍔?/p>
鎯宠薄涓€涓嬶紝鎴戜滑鎯宠鎵撳嵃浠?鍒?鐨勬暟瀛椼€傛垜浠彲浠ヤ娇鐢ㄤ笁绉嶄富瑕佺殑寰幆缁撴瀯鏉ュ疄鐜帮細for寰幆銆亀hile寰幆鍜宒o-while寰幆銆?/p>
```java
public class LoopsExploration {
public static void main(String[] args) {
// 浣跨敤for寰幆鎵撳嵃鏁板瓧
for (int i = 1; i <= 5; i++) {
System.out.println("浣跨敤for寰幆鎵撳嵃鐨勬暟瀛? " + i);
}
int j = 1;
// 浣跨敤while寰幆鎵撳嵃鏁板瓧
while (j <= 5) {
System.out.println("浣跨敤while寰幆鎵撳嵃鐨勬暟瀛? " + j);
j++;
}
int k = 1;
// 浣跨敤do-while寰幆鎵撳嵃鏁板瓧
do {
System.out.println("浣跨敤do-while寰幆鎵撳嵃鐨勬暟瀛? " + k);
k++;
} while (k <= 5);
}
```
闈㈠悜瀵硅薄缂栫▼鐨勫ゥ绉?/p>
闈㈠悜瀵硅薄缂栫▼鏄蒋浠跺紑鍙戠殑寮哄ぇ宸ュ叿锛屽畠浣跨敤鈥滅被鈥濆拰鈥滃璞♀€濈殑姒傚康鏉ユā鎷熺幇瀹炰笘鐣屻€傜被瀹氫箟浜嗗璞＄殑灞炴€у拰琛屼负锛岃€屽璞℃槸绫荤殑瀹炰緥銆傝鎴戜滑閫氳繃涓や釜绠€鍗曠殑渚嬪瓙鏉ユ帰绱㈢被涓庡璞°€佸皝瑁呫€佺户鎵垮拰澶氭€佺殑姒傚康銆?/p>
绫汇€佸璞″強瀹冧滑鐨勬搷浣?/p>
```java
public class Animal {
private String name;
public Animal(String name) {
this.name = name;
}
public void makeSound() {
System.out.println("鍔ㄧ墿鍙戝嚭鐨勫０闊?);
}
}
public class Dog extends Animal {
public Dog(String name) {
super(name); // 璋冪敤鐖剁被鐨勬瀯閫犲嚱鏁?/p>
}
public void makeSound() {
璁╂垜浠厛鎺㈢储涓€涓婬ibernate鍜孧yBatis杩欎袱涓祦琛岀殑ORM锛堝璞″叧绯绘槧灏勶級妗嗘灦銆?/p>
Hibernate 绀轰緥
瀵煎叆Hibernate鏍稿績绫诲簱锛?/p>
```java
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
```
鍒涘缓涓€涓畝鍗曠殑Hibernate绀轰緥鏉ュ睍绀哄熀鏈敤娉曪細
```java
public class HibernateExample {
public static void main(String[] args) {
SessionFactory factory = new Configuration()
.configure("hibernate.cfg.xml")
.addAnnotatedClass(User.class)
.buildSessionFactory();
Session session = factory.getCurrentSession();
try {
User newUser = new User("New User");
session.save(newUser);
System.out.println("User saved: " + newUser);
} finally {
session.close();
}
}
}
```
MyBatis 绀轰緥
瀵煎叆MyBatis鏍稿績绫诲簱锛?/p>
```java
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
```
涓嬮潰鏄竴涓畝鍗曠殑MyBatis绀轰緥锛屽睍绀轰簡濡備綍浣跨敤SqlSession杩涜鏁版嵁搴撴搷浣滐細
```java
public class MyBatisExample {
public static void main(String[] args) {
try {
String resource = "mybatis-config.xml";
SqlSessionFactory factory = new SqlSessionFactoryBuilder()
.build(Resources.getResourceAsStream(resource));
SqlSession session = factory.openSession();
sessioncommit(); // 娉ㄦ剰杩欓噷鐨勬彁浜ゆ搷浣滈€氬父鏀惧湪鎿嶄綔瀹屾垚鍚庤繘琛屻€?涓嬮潰鏄叧闂璼ession鐨勬搷浣溿€? session鐨刢lose()鎿嶄綔鏄繀瑕佺殑锛屽畠閲婃斁浜嗘墍鏈変娇鐢ㄧ殑璧勬簮銆傜劧鑰屽湪瀹為檯鐨勯」鐩紑鍙戜腑锛屽彲浠ヤ娇鐢╰ry-with-resources鏉ヨ嚜鍔ㄥ叧闂璼ession銆? } catch (Exception e) { e.printStackTrace(); } } }``````````````````````````````````````````````````````````````````````````````````````````````````````````````````鍦∕aven椤圭洰涓瀯寤虹鐞哅aven鏄竴涓己澶х殑椤圭洰绠＄悊宸ュ叿锛岀敤浜庣鐞嗛」鐩殑渚濊禆銆佹瀯寤哄拰鎵撳寘銆侾OM鏂囦欢鏄疢aven椤圭洰鐨勬牳蹇冮厤缃枃浠讹紝瀹冨畾涔変簡椤圭洰鐨勭粨鏋勩€佷緷璧栥€佹彃浠剁瓑淇℃伅銆備緥濡傦細`
鍓嶇鏋舵瀯
閫夌敤React鎴朧ue妗嗘灦锛屾瀯寤虹敤鎴峰弸濂界晫闈€?/p>
鍚庣鏋舵瀯
閲囩敤Spring Boot锛屾瀯寤虹ǔ鍋ョ殑鏈嶅姟鍣ㄧ搴旂敤銆?/p>
鏁版嵁搴撻€夋嫨
MySQL鎴朚ongoDB锛岀伒娲诲瓨鍌ㄥ拰绠＄悊鏁版嵁銆?/p>
寮€鍙戞祦绋嬭瑙?/p>
鏁版嵁搴撹璁?/p>
鍒涘缓鏂囩珷琛ㄣ€佺敤鎴疯〃銆佸垎绫昏〃绛夛紝瀹炵幇鏁版嵁鐨勬湁鏁堢粍缁囥€?/p>
API寮€鍙?/p>
鍒╃敤Spring Boot鏋勫缓RESTful API锛屽疄鐜版枃绔犵殑澧炲垹鏀规煡锛圕RUD锛夋搷浣溿€?/p>
鍓嶇寮€鍙?/p>
閲囩敤React鎴朧ue锛屾墦閫犵洿瑙傘€佷氦浜掓€у己鐨勭敤鎴风晫闈紝骞朵笌鍚庣API鏃犵紳瀵规帴銆?/p>
娴嬭瘯绛栫暐
瀹炴柦鍗曞厓娴嬭瘯銆侀泦鎴愭祴璇曞強绔埌绔祴璇曪紝纭繚搴旂敤璐ㄩ噺銆?/p>
閮ㄧ讲鏂规
浣跨敤Docker瀹瑰櫒鍖栧簲鐢紝骞堕儴缃茶嚦AWS鎴朒eroku绛変簯骞冲彴銆?/p>
娼滃湪闂涓庤В鍐虫柟妗?/p>
鎬ц兘浼樺寲
閫氳繃鏁版嵁搴撶储寮曠瓑鎶€鏈紭鍖栨煡璇㈡€ц兘锛屾彁鍗囧簲鐢ㄥ搷搴旈€熷害銆?/p>
瀹夊叏鎬т繚闅?/p>
瀹炵幇HTTPS鍔犲瘑锛屼弗鏍肩敤鎴疯璇佸拰鎺堟潈娴佺▼銆?/p>
鍙墿灞曟€у寮?/p>
閲囩敤寰湇鍔℃灦鏋勫拰NoSQL鏁版嵁搴擄紝搴斿涓氬姟澧為暱甯︽潵鐨勬寫鎴樸€?/p>
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