Are the fields of the object placed on the heap, or are its methods too?

Question

Java

Hello.
They say that objects are placed on the heap. Do you mean its fields or also methods?
That is, methods are created for each object, or do all objects of the same type refer to the same methods?

Answer 1

The data is placed on the heap.
Methods are not data.

Answer 2

Method bytecode is in classes, classes are in metaspace, and metaspace is off-heap. Objects are normal C structures containing nothing but field values ​​and a 16-byte concatenation for a header. You might be interested in this answer .