Memory Structure

✅ Memory

• Code area
• Data area
• Heap area
• Stack area

✅ Code area

as program code is run
save: code to be run
also called text area

• User coommand program code to be run
• OS will send program code from HDD to memory
• CPU will run the code line by line

✅ Data area

global variable, static

• 데이터 영역은 프로그램 시작과 함께 할당
• 프로그램이 종료되면 소멸

✅ Heap area

dynamic allocation
memory that programmer can control

• garabage collector
• memory allcoated from low to high address

✅ Stack area

as method is called
> local variable, parameter