java学习笔记java编程:模拟三个老师同时分发80份学习笔记，每个老师相当于一个线程。 急在线等

《Head first Java》和《Java学习笔记》比较 200分

两本书我都有过，java学习笔记是我自己买的,Head first java是老师让我们买的，不过现在早不知扔哪去了，怎么说呢，两的的风格相差比较大，而且都比较基础，如果硬是要从两者中比较好坏，我还是比较倾向于前者，知识点全面一点，但不太适合作长期的参考，可以作入门，Java学习笔记也是入门书籍，感觉字大，内容少，讲的不深，要作长期的java基础参考书买本java编程思想到是挺不错，就是有点枯燥

java编程:模拟三个老师同时分发80份学习笔记，每个老师相当于一个线程。 急在线等

public?class?Demo?{ ????public?static?void?main(String[]?args)?{ ????????new?Demo().foo(); ????} ????public?void?foo()?{ ????????TestPaper?testPaper?=?new?TestPaper(); ????????Thread?teacher1?=?new?Thread(testPaper,?"teacher_1"); ????????Thread?teacher3?=?new?Thread(testPaper,?"teacher_2"); ????????Thread?teacher2?=?new?Thread(testPaper,?"teacher_3"); ????????teacher1.start(); ????????teacher2.start(); ????????teacher3.start(); ????} ????public?class?TestPaper?implements?Runnable?{ ????????final?Object?lock?=?new?Object(); ????????int?amount?=?80; ????????@Override ????????public?void?run()?{ ????????????while?(true)?{ ????????????????synchronized?(lock)?{ ????????????????????if?(amount?<=?0)?{ ????????????????????????break; ????????????????????} ????????????????????amount--; ????????????????????System.out.println(Thread.currentThread()?+?"发出一份试卷?剩余份数"?+?amount); ????????????????????Thread.yield(); ????????????????} ????????????} ????????} ????} }