System.out.println(unsafe.staticFieldOffset(VO.class.getDeclaredField("d"))); // 获取静态字段的起始地址,通过起始地址和偏移地址,就能够获取静态字段的值了 // 仅仅只是静态字段的起始地址,类型不是long,而是Object类型 Object base1 = unsafe.staticFieldBase
String>cache=newHashMap<>();publicvoidaddToCache(Objectobj,Stringvalue){intaddress=System.identityHashCode(obj);cache.put(address,value);}publicStringgetFromCache(Objectobj){intaddress=System.identityHashCode(obj);returncache.get(address);}publicstaticvoidmain(String[]args){AddressCacheExamplecacheExamp...
e.getAddress().setCity("Chicago"); System.out.printf("%s: %d: %s%n", e.getName(), e.getAge(), e.getAddress().getCity()); System.out.printf("%s: %d: %s%n", e2.getName(), e2.getAge(), e2.getAddress().getCity()); } } 代码清单5给出了Employee、Address和CloneDemo类。Emp...
if (result.containsKey("addressComponent")) { JSONObject address = object.getJSONObject("result").getJSONObject("addressComponent"); System.err.println("拍摄地点:" + address.get("country") + "" + address.get("province") + "" ...
引入依赖 <dependency> <groupId>org.openjdk.jol</groupId> <artifactId>jol-core</artifactId> <version>0.9</version> </dependency> Frolanfrolan=newFrolan(); System.out.println(VM.current().addressOf(frolan));// 输出结果31867940040
getBitLocator(informationObjectAddress, 0); // 读取遥信状态booleanremoteStatus= modbusMaster.get...
设置消息内容时,要提供消息的内容类型—–即方法签名: MimeMessage.setContent(Object theContent,String type); 也可以不用显式的制定消息的内容类型:MimeMessage.setText(String theText); 注意:建立地址javax.mail.InternetAddress toAddress=new InternetAddress(String address); ...
IntelliJ IDEA 是 JetBrains 面向 Java 和 Kotlin 专业开发的 IDE。 它为您的舒适而打造,可以解锁工作效率,确保高质量代码,支持尖端技术,并保护您的隐私。
Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait Methods inherited from interface com.oracle.bmc.requests.BmcRequest.Builder body$Constructor Detail Builder public Builder() Method Detail ospHomeRegion public GetAddressRequest.Builder ospHomeReg...
getHostAddress(); Mapmap =System.getenv(); String userName =map.get("USERNAME");// 获取用户名 String computerName =map.get("COMPUTERNAME");// 获取计算机名 String userDomain =map.get("USERDOMAIN");// 获取计算机域名 result.put("用户名",userName); result.put("计算机名",computerName); ...