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{
3¸öÔ´Îļþ£ºMyApp.java,MyLib.java,PrintSchool.java;
½¨Îļþ¼Ðorg\Jie
ÆäÖÐMyLibºÍPrintSchool·ÅÔÚ°üorg.JieÖУ¨import org.Jie)
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    copy PrintSchool org\Jie
   
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   Èç²âÊÔÀýMyApp
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   javac MyApp.java
   java MyApp   //  ×¢ÒâÈç¹ûMyAppÔÚÆäËû(java)°üÖÐ,ÀýÈçÔÚforall£¨×Ô¼º¶¨ÒåµÄ£©°üÖР   ¾ÍÒª¸ÄΪjava forall.MyApp¡£Èç¹ûÀàMyLibÓÐmainº¯Êý¾Í¿ÉÓÃÃüÁî java org.Jie.MyLibÔËÐÐMyLibÁË £¬µ±È»¸ÃÀýµÄMyLiÊDz»ÄÜÔËÐС£
   ¾Í¿ÉÔËÐÐMyAppÁË
}
{
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