1.åmeegoåºç¨è½¯ä»¶å¼å
2.å¦javaè½åä»ä¹å·¥ä½
åmeegoåºç¨è½¯ä»¶å¼å
1ãMeeGoæ¯ä¸ç§åºäºLinuxçèªç±åå¼æ¾æºä»£ç ç便æºè®¾å¤æä½ç³»ç»ãå®å¨å¹´2æçå ¨ç移å¨é信大ä¼ä¸åå¸ï¼ä¸»è¦æ¨å¨è 为诺åºäºä¸è±ç¹å°ãMeeGoèåäºè¯ºåºäºçMaemoåè±ç¹å°çMoblinå¹³å°ï¼å¹¶ç±Linuxåºéä¼ä¸»å¯¼ãMeeGo主è¦å®ä½å¨ç§»å¨è®¾å¤ã家çµæ°ç çæ¶è´¹ç±»çµå产åå¸åºï¼å¯ç¨äºæºè½ææºãå¹³æ¿çµèãä¸ç½æ¬ãæºè½çµè§å车载系ç»çå¹³å°ãå¹´9ææ¥ï¼ç»§è¯ºåºäºå®£å¸æ¾å¼å¼åmeegoä¹åï¼è±ç¹å°ä¹æ£å¼å®£å¸å°MeeGoä¸LiMoå并æ为æ°çç³»ç»ï¼Tizenãå¹´7æï¼å¨è¯ºåºäºçæ¯æä¸ï¼Jolla Mobileå ¬å¸æç«ã并åºäºMeegoç åsailfish osï¼å°å¨ååå¸æ°ä¸ä»£Jollaææºã
2ãAndroidæ¯ä¸ç§åºäºLinuxçèªç±åå¼æ¾æºä»£ç çæä½ç³»ç»ï¼ä¸»è¦ä½¿ç¨äºç§»å¨è®¾å¤ï¼å¦æºè½ææºåå¹³æ¿çµèï¼ç±Googleå ¬å¸åå¼æ¾ææºèçé¢å¯¼åå¼åãå°æªæç»ä¸ä¸æå称ï¼ä¸å½å¤§éå°åºè¾å¤äººä½¿ç¨âå®åâæâå®è´âãAndroidæä½ç³»ç»æåç±Andy Rubinå¼åï¼ä¸»è¦æ¯æææºãå¹´8æç±Googleæ¶è´æ³¨èµãå¹´æï¼Googleä¸å®¶ç¡¬ä»¶å¶é åã软件å¼åååçµä¿¡è¥è¿åç»å»ºå¼æ¾ææºèçå ±åç åæ¹è¯Androidç³»ç»ãéåGoogle以Apacheå¼æºè®¸å¯è¯çæææ¹å¼ï¼åå¸äºAndroidçæºä»£ç ã第ä¸é¨Androidæºè½ææºåå¸äºå¹´æãAndroidéæ¸æ©å±å°å¹³æ¿çµèåå ¶ä»é¢åä¸ï¼å¦çµè§ãæ°ç ç¸æºã游ææºçã年第ä¸å£åº¦ï¼Androidå¨å ¨ççå¸åºä»½é¢é¦æ¬¡è¶ è¿å¡çç³»ç»ï¼è·å± å ¨ç第ä¸ã å¹´ç第åå£åº¦ï¼Androidå¹³å°ææºçå ¨çå¸åºä»½é¢å·²ç»è¾¾å°.1%ãå¹´ææ¥è°·æå¼åçæä½ç³»ç»Androidå¨è¿æ¥äº5å²çæ¥ï¼å ¨ä¸çéç¨è¿æ¬¾ç³»ç»ç设å¤æ°éå·²ç»è¾¾å°äº¿å°ã
å¦javaè½åä»ä¹å·¥ä½
å¨ç°å®ç¤¾ä¼ä¸æå¾å¤å°æ¹ä½¿ç¨å°äºJavaï¼ä»çµååå¡ç½ç«å°Android appsï¼ä»ç§å¦åºç¨å°éè产åï¼ä¾å¦çµå交æç³»ç»ï¼ä»ç±»ä¼¼Minecraftç游æåå°Eclipse,共享车间管理 源码NetbeansåIntelliJçæ¡é¢åºç¨ï¼ä»å¼æºçèµæºåºJ2MEappsççãä¸é¢å¸¦ä½ ä¸èµ·è¯¦ç»äºè§£Javaçåºç¨é¢åã1ãå®åApps
å¦æä½ æ³ç¥éJavaåºç¨å¨åªéï¼ä½ 离çæ¡å¹¶ä¸è¿ãæå¼ä½ çå®åææºæè ä»»ä½çAppï¼å®ä»¬å®å ¨æ¯ç¨æçè°·æAndroidAPIçJavaç¼ç¨è¯è¨ç¼åçï¼è¿ä¸ªAPIåJDKé常ç¸ä¼¼ãåå å¹´å®ååå¼å§èµ·æ¥èå°ä»æ¥å·²ç»å¾å¤Javaç¨åºåæ¯å®åAppçå¼åè ã
2ãå¨éèæå¡è¡ä¸çæå¡å¨åºç¨
Javaå¨éèæå¡ä¸æçå¾å¤§åºç¨ãå¾å¤çå ¨çæ§æèµé¶è¡ä¾å¦GoldmanSachs(é«çæèµå ¬å¸)ï¼Citigroup(è±æéå¢)ï¼Barclays(å·´å è±é¶è¡)ï¼StandardCharted(è±å½æ¸£æé¶è¡)åä¸äºå ¶ä»é¶è¡é½ç¨Javaç¼ååå°ååå°ççµå交æç³»ç»ï¼ç»ç®ãä¿¡æ¯ç¡®è®¤ç³»ç»ï¼æ°æ®å¤ç项ç®å以åå ¶ä»ç项ç®ã
Java被è¿ç¨äºç¼åæå¡ç«¯åºç¨ï¼ä½å¤§å¤æ°æ²¡æå端ï¼é½æ¯ä»ä¸ä¸ªæå¡ç«¯(ä¸ä¸çº§)æ¥æ¶æ°æ®ï¼å¤çæ°æ®åååå ¶ä»çå¤çç³»ç»(ä¸ä¸çº§)ãJavaSwingç±äºè½å¼ååºå¾å½¢ç¨æ·çé¢ç客æ·ç«¯ä¾äº¤æè 使ç¨èå¤å欢è¿ï¼ä½æ¯ç°å¨C#æ£å¨å¿«éå°å代Swingçå¸åºï¼è¿è®©Swingåæååã
3ãç½ç«åºç¨
Javaåæ ·ä¹å¨çµååå¡åç½ç«å¼åä¸æç广æ³çè¿ç¨ãä½ å¯ä»¥è¿ç¨å¾å¤RESTfullæ¶æï¼è¿äºæ¶ææ¯ç¨SpringMVCï¼Struts2.0å类似çæ¡æ¶å¼ååºæ¥çãçè³ç®åçServletï¼JSPåStrutså¨åç§æ¿åºé¡¹ç®ä¹æ¯å¤å欢è¿ï¼è®¸å¤æ¿åºï¼å»çï¼ä¿é©ï¼æè²ï¼å½é²åå ¶ä»é¨é¨çç½ç«é½æ¯å»ºç«å¨Javaä¹ä¸çã
4ãè½¯ä»¶å·¥å ·
å¾å¤æç¨ç软件åå¼åå·¥å ·é½æ¯è¿ç¨Javaç¼ååå¼åçï¼ä¾å¦Ecilpseï¼InetelliJIdeaåNetbansIDE.ãæ认为è¿äºé½æ¯ç»å¸¸ä½¿ç¨çç¨Javaç¼åçæ¡é¢åºç¨ç¨åºã
å°±å¦ä¸é¢æ说ï¼Swingæ¾ç»å¨å¾å½¢ç¨æ·çé¢ç客æ·ç«¯å¼åé常æµè¡ï¼å®ä»¬å¤§å¤æ°åºç¨å¨éèæå¡é¢å以åæèµé¶è¡ãè½ç¶ç°å¨JavaFxæ£å¨éæ¸å°æµè¡èµ·æ¥ï¼ä½ä»ç¶æ æ³æ¿ä»£Swingï¼èä¸C#å·²ç»å¨å¤§é¨åéèé¢åä¸ä»£æ¿äºSwingã
5ã交æç³»ç»
第ä¸æ¹äº¤æç³»ç»ï¼éèæå¡è¡ä¸çä¸å¤§é¨åï¼åæ ·ä¹æ¯ä½¿ç¨Javaç¼åçãä¾å¦åMurexè¿ç§å欢è¿ç交æç³»ç»ï¼è¿ç¨äºä¸è®¸å¤çé¶è¡å端é¾æ¥ï¼åæ ·ä¹æ¯ç¨Javaç¼åçã
6ãJ2MEApps
è½ç¶IOSåAndroidçå°æ¥å ä¹æ¼æäºJ2MEçå¸åºï¼ä½æ¯ä»ç¶æå¾å¤çä½ç«¯è¯ºåºäºåä¸æææºå¨ä½¿ç¨çJ2MEãæ¾ç»æ段æ¶é´å¤§é¨åç游æ,ææºåºç¨é½æ¯å©ç¨MIDPåCLDC,æè J2MEé¨åå¹³å°ç¼åçï¼ä»¥éç¨äºAndroidç³»ç»ã.J2MEä¾ç¶å¨èå ãç£å¡ãæºé¡¶çç产åä¸æµè¡çãappä¹æ以å¦æ¤æµè¡æ¯å 为对äºææç诺åºäºææºï¼appä»ç¶éç¨äºJ2MEã
7ãåµå ¥å¼é¢å
Javaå¨åµå ¥å¼é¢åä¹æå¾å¤§çåºç¨ãä½ åªéè¦KBå°±è½å¤ä½¿ç¨Javaææ¯(å¨ä¸åå°çè¯çæè ä¼ æå¨ä¸)ï¼è¿æ¾ç¤ºäºè¿ä¸ªå¹³å°æ¯å¤ä¹çå¯é ãJavaå½åæ¯ä¸ºäºåµå ¥å¼è®¾å¤è设计çãäºå®ä¸ï¼è¿ä¹æ¯Javaå½åçä¸é¡¹âç«å³ç¼åï¼éå¤è¿è¡â主æ¨çä¸é¨åã
8ã大æ°æ®ææ¯
Hadoopåå ¶ä»ç大æ°æ®ææ¯ä¹å¨ä¸åç¨åº¦ä½¿ç¨çJavaï¼ä¾å¦ApacheçåºäºJavaçHbaseï¼Accumulo(å¼æº)ï¼ä»¥åElasticSearchãä½æ¯Java并没æå é¢æ´ä¸ªé¢åï¼è¿æå ¶ä»ç大æ°æ®ææ¯ä¾å¦MongoDBå°±æ¯ä½¿ç¨C++ç¼åç.å¦æHadooporåElasticSearchéæ¸åå±ï¼é£ä¹Javaå°±è½ææ½åå¨å¤§æ°æ®ææ¯é¢åä¸å¾å°æ´å¤§çåå±ç©ºé´ã
9ãé«é¢äº¤æé¢å
Javaå¹³å°å·²ç»å¤§å¤§æé«äºæ§è½ç¹ç¹åJITSï¼å¹¶ä¸Javaä¹æ¥æåC++级å«çä¼ è¾æ§è½ãå æ¤ï¼Javaä¹æµè¡äºç¼åé«å¹¶åç³»ç»ãè½ç¶Javaçä¼ è¾æ§è½ä¸æ¯C++ï¼ä½ä½ å¯ä»¥ä¸ç¨èèJavaçå®å ¨æ§ï¼å¯ç§»æ¤æ§åå¯ç»´æ¤æ§çé®é¢(Javaå é¨å·²ç»å®ç°å¥½äº)ï¼èä¸Javaæçæ´å¿«çè¿è¡é度ãå®å ¨æ§çé®é¢ä¼ä½¿ä¸ä¸ªæ²¡æç»éªçC++ç¨åºåç¼åçåºç¨ç¨åºåå¾æ´å ç¼æ ¢åä¸å¯é ã
ãç§å¦åºç¨
ç°å¨Javaç»å¸¸æ¯ç§å¦åºç¨çé»è®¤éæ©ï¼å æ¬äºèªç¶è¯è¨å¤çãè¿ä¸»è¦çåå æ¯å 为Javaæ¯èµ·C++æè å ¶ä»è¯è¨ææ´å çå®å ¨ï¼å¯ç§»æ¤ï¼å¯ç»´æ¤ï¼èä¸Javaæçæ´å¥½çé«çº§å¹¶åå·¥å ·ã
å ¶å®ä¸ç®¡æ¯éæ©åªä¸ªé¢ååªè¦èªå·±ææ¯å¤å¼ºé«æ°å°±ä¸æ¯é®é¢ã