public class Hello {

    public static void main(String[] args) {

        System.out.println("hello android");

    }

}

javac Hello.java

# 生成Hello.class文件

X:\Android\sdk\build-tools\26.0.2\dx.bat --dex --output=Hello.dex Hello.class

# 生成Hello.dex文件

链接上夜神模拟器，默认端口62001

adb connect 127.0.0.1:62001

adb root

adb push Hello.dex /sdcard

Hello.dex: 1 file pushed. 0.0 MB/s (736 bytes in 0.212s)

adb shell

dalvikvm -cp /sdcard/

hello android

巴特西