嵌入式Linux

class Person { String name; int age; public String talk() { return "我是："+this.name+",今年："+this.age+"岁"; } public Person()/* 无参数的构造函数*/ { System.out.println("1.public Person(){}"); } } clas

1、开机自启动 public class BootReceiver extends BroadcastReceiver { private static final String ACTION = "android.intent.action.BOOT_COMPLETED"; private static final String TAG = "ZED_Led_Receiver"

例1： javac HelloWorld.java 这是编译 java HelloWorld 这是运行 gedit helloworld.java public class helloworld { public static void main(String args[]) { int num; num=3; System.out.println("th

package com.example.readsysclass; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import android.app