Getting Object Size, how to calculate object size in java

Getting Object Size, how to calculate object size in java

Since JDK 1.5 Java have a new feature to get size of the Object.

In many cases you want to optimize the object size.

Java has Instrumentation interface to get the object size.

Instrumentation interface has the concept of premain().

Header of the program consume 8 bytes.

Object size must be calculate in multiply of 8.

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