HP 鐨勯潰璇曚竴鑸棶鐨勯兘姣旇緝娣卞叆涓旀瘮杈冪粏錛屼細灝變漢閫夌畝鍘嗕腑鐨勬煇涓欏圭洰娣卞叆闂強鎶鏈?/span>
鍏朵腑鏈閲嶈鐨勬槸欏圭洰鐨勪粙緇嶃備笅闈㈡槸 JAVA 浜洪夊彲鑳戒細琚棶鍙婄殑闂錛?/span>
1. jdbc
鏁版嵁搴撴搷浣溿?/span>
瑕佹眰鍐欎竴涓畬鏁寸殑榪囩▼銆?/span>
娉ㄦ剰緇嗚妭銆?/span>
姣斿寮傚父鍜屽叧闂祫婧愩?/span>
2.
澶氱嚎紼嬪悓姝ャ?/span>
鍚屾鏃剁殑鍐欐硶銆?/span>
synchronize
鍜?/span>
wait
鐨勮鑼冨啓娉曘?/span>
3. socket
閫氫俊銆?/span>
鎬庝箞澶勭悊
tcp
涓俊鎭殑鍙犲姞鍜屾埅鍙栥?/span>
4. java
涓弬鏁扮殑浼犻掋?/span>
鍙橀噺鐨勫彉鍖栥?/span>
5.
涓轟粈涔堣閲嶅啓
equal,
hashcode
鏂規硶銆?/span>
鎬庝箞閲嶅啓銆?/span>
6. java
涓璞＄殑鎺掑簭銆?/span>
閭ｄ簺綾誨彲浠ユ柟渚跨殑鐢ㄦ潵鎺掑簭銆?/span>
7.
鏈閲嶈鐨勬槸宸ヤ綔欏圭洰鐨勪粙緇嶃?/span>
闂殑寰堢粏銆?/span>
鑷繁涓瀹氳闈炲父鐨勬竻妤氶噷闈㈢殑鎶鏈紝
鏋舵瀯銆?/span>
緇嗚妭鐨勪笢瑗胯娉ㄦ剰鍒般?/span>
姣斿
JDK
涓殑闆嗗悎鏄笉鍚屾鐨勶紝
欏圭洰涓庝箞鐢ㄣ?/span>
涓轟粈涔堜笉鐢ㄥ悓姝ョ殑闆嗗悎瀵硅薄銆?/span>
HP 絎旇瘯棰橈紙 JAVA 浜洪夛級
1. 浣跨敤 Struts, Hibernate,spring 絳夊父鐢ㄧ殑鏋舵瀯瀹炵幇鐧婚檰鍔熻兘
2 錛庨夋嫨棰橈細 javascript 鏁扮粍 瀹氫箟鏂瑰紡鍝釜姝ｇ‘
3. 鏍戠殑瀹氫箟 ,eg 錛氫粈涔堝彨騫寵 浜屽弶鏍戯紝鐢ㄦ渶濂界殑紼嬪簭鏉ュ疄鐜板鉤琛′簩鍙夋爲鐨勫鍔犺妭鐐瑰拰鍒犻櫎鑺傜偣
4 錛庢爲鐨勬暟鎹粨鏋?/span>
5. 鏍戠浉鍏崇殑綆楁硶緇撴瀯
6.http: 鍏蜂綋榪囩▼錛屽悇縐嶄俊鎭爜
7. 鏀歸敊錛?/span> java 鐨勫悓姝?/span> ,eg 錛氫笅闈㈢殑紼嬪簭瀵瑰惁錛屼笉瀵癸紝璇蜂慨鏀?/span>
public void accountCompare(FromAccount fromaccount,ToAccount toAccount,double amount) throws Exception{
synchronized(fromAccount){
synchronized(toAccount){
if( 閽變笉澶?/span> ){
throw new Exception(" 閽變笉澶?/span> ");
}else{
浠庝竴涓處鎴鋒墸閽卞埌鍙﹀涓涓處鎴?/span>
}
}
}
}
8.pl/sql 璇█錛氱粰涓や釜琛ㄧ粨鏋勬煡璇?/span> ,
eg 錛?/span> student
id char(20),
name char(20),
class_name char(20)
course
id char(20),
name char(20)
score
student_id char(20),
course_id char(20),
score numberic
鍐欎竴涓?/span> sql 鏌ュ嚭鏌愮彮璇枃璇劇殑騫沖潎鍒嗭紝騫剁敤鐝駭鐨勫悕瀛楁帓搴?/span> .
9. 澶氱嚎紼嬶細鍐欎竴涓叧浜庣敓浜у拰瀹㈡埛涔嬮棿鐨勬ā寮忕殑紼嬪簭棰?/span> ,eg 錛氬啓涓や釜綾伙細涓涓被 (producer) 浜х敓涓涓釜 Item 濉弧涓涓?/span> queue 錛?/span> queue 鍙兘瑁?/span> 10 涓?/span> Item 錛屼竴涓被 (consumer) 鍘繪秷璐?/span> queue 閲岄潰鐨?/span> item 錛屽鏋?/span> queue 閲岄潰娌℃湁 item 浜嗗垯涓嶈兘娑堣垂錛?/span>
濡傛灉 queue 閲岄潰婊′簡鍒?/span> producer 涓嶈兘緇х畫浜х敓
鍏跺疄榪欎釜綾誨氨鏄?/span> java 閲岄潰鐨?/span> concurrent 澶氱嚎紼嬫鏋訛紝浠栬瀹氫笉鑳界敤浠栨潵瀹炵幇
10. 鍐欎竴涓?/span> testcase 銆?/span>
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