what to do ?
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Heap and non-heap memory in java. GC (garbage collector)

1.

Hello!
My name is Duke
Today we will
talk about
• Heap and non-heap
memory in java
• GC (garbage collector)

2.

Non-heap memory
Permanent generation(meta space)
Stack

3.

Heap
Objects
new keyword

4. what to do ?

5.

6.

7.

Java hotspot VM garbage collectors
Serial gc
Parallel gc
Concurrent
Mark Sweep
garbage-first
(g1)

8.

Minor collection

9.

10.

Full collection

11.

12.

Questions???
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