concurrency in java

java多线程编程Writingcorrectprogramsishard;writingcorrectconcurrentprogramsisharder.Therearesimplymorethingsthatcangowronginaconcurrentprogramthaninasequentialone.So,whydowebotherwithconcurrency?ThreadsareaninescapablefeatureoftheJavalanguage,andtheycansimplifythedevelopmentofcomplexs