java文件运行的过程 javac .java——>编译成.class文件(字节码) 参考: https://www.cnblogs.com/yxwkf/p/3855363.html https://www.jianshu.com/p/04b300481ea3 https://blog.csdn.net/ning0323/article/details/75451955 https://www.cnblogs.com/straybirds/p/8513870.html
