Java中带包(创建及引用)的类的编译与调试 java源程序的编译大家都知道,也就是cmd中到源文件所在目录下javac **.java即可,当程序中有包声明还能简简单单的直接javac **.java吗?答案当然是no,下面举个简单的例子证明一下直接javac **.java会怎么样. 如下:F:\javaweb2班\20160531目录下有A.java文件,注意源文件中有包声明 package mypack; public class A { String name; int age; pu…
项目突然编译不通过,报如下错误 FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'. > com.android.builder.dexing.DexArchiveMergerException: Error while mergi…