JVM Memory usage(Stack vs Heap)

Transcript

1. JVM Memory usage Heap memory Thread Stack

2. JVM Memory usage Heap memory Thread Stack main

3. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name null salary null sales null bonus null this name salary sales

4. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name null salary null sales null bonus null this name salary sales

5. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name salary null sales null bonus null this name salary sales

6. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name salary sales null bonus null this name salary sales

7. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null this name salary sales

8. JVM Memory usage Heap memory Thread Stack main Employee:new Employee

   instance String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null this name salary sales return void

9. JVM Memory usage Heap memory Thread Stack main Employee instance

   String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null john

10. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5

11. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5 getBonusPercentage salary 5000

12. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5 getBonusPercentage salary 5000 percentage 500

13. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5 getBonusPercentage salary 5000 percentage 500 return 500

14. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5 bonusPercentage 500 bonus 2500

15. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus null findEmployeeBonus john salary 5000 noOfSales 5 bonusPercentage 500 bonus 2500 return 2500

16. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus john Integer instance 2500

17. JVM Memory usage Heap memory Thread Stack main Employee instance

    String instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus john return void Integer instance 2500

18. JVM Memory usage Heap memory Thread Stack Employee instance String

    instance “John” Integer instance 5000 Integer instance 5 name salary sales bonus Integer instance 2500