java 如何查看对象占内存大小

内存大小"/>

java 如何查看对象占内存大小

引用第三方类库

<dependency><groupId>org.apache.lucene</groupId><artifactId>lucene-core</artifactId><version>4.0.0</version></dependency>

System.out.println("orcSaveDto:" + orcSaveDto);
System.out.println("orcSaveDto size is " + RamUsageEstimator.shallowSizeOf(orcSaveDto));
System.out.println("orcSaveDto size is 1: " + RamUsageEstimator.humanReadableUnits(RamUsageEstimator.sizeOfObject(orcSaveDto)));
System.out.println("orcSaveDto size is 2: " + RamUsageEstimator.sizeOfObject(orcSaveDto));

如何计算一个对象的大小_ramusageestimator.humansizeof_小百菜的博客-CSDN博客