JAVA also can you please provide a small example code for every question

1 Describe garbage collection, or as Professor Mousley likes to call it, recycling. What method is called at garbage collection time? Give a pseudocode example of such a method

2. Describe the keyword static. What does it mean? When is it useful? Give an example of a use of static methods. Give an example of the use of a static field.

3. Describe the keywords public, private, and protected. What do they mean? When should we use one versus the other?

4.Describe what a demo or test program is used for and why we need such a program. Give a pseudocode example of such a program.

5. What does an ArrayList give us that a simple array does not? Explain the use of an ArrayList. What is an ArrayList an example of?