LucenePinPAction

1.JVM的gc概述 gc即垃圾收集机制是指jvm用于释放那些不再使用的对象所占用的内存。(1.JVM the gc outlined gc that garbage collection mechanism is jvm for the release of those who no longer use the right like occupied by the memory.)

子类方法不可比父类方法抛出更多的例外。子类抛出的例外或者与父类抛出的例外一致，或者是父类抛出例外的子类型。或者子类型不抛出例外。(Class methods are not comparable to the parent class method throws more exceptions. The subclass thrown exception or thrown with the parent class exceptions, or the parent class throw exception sub type. Do not throw exceptions or sub type. )

一本很经典的数据，内容详细，适合初学者。(A very classic data, detailed and suitable for beginners.)

This book targets all mobile software developers and business decision makers.

Activity Instrumentation Test Case for Andriod.

说明：  spring boot in action 第四版(spring boot in action 4th edition)

This is answer for the SSD1 certification exam.

讲叙了java基本知识，是java初学者的一本好书(讲叙a basic knowledge of java, java beginners are a good book)

学习Lucene很经典的一本书，分享给大家，希望能用的到(Lucene in Action Lucene in Action Lucene in Action)

JAVA版手机电子书---黑客命令宝典,有需要的朋友拿去吧！(JAVA version of the phone book- Hackers order book, there is a need to take it for a friend!)