1. What must a computer have in order for it to execute Java programs? 2. What is the difference between machine language code and byte code? 3. Why does byte code make Java a portable language? 4. Is...

1. What must a computer have in order for it to execute Java programs?

2. What is the difference between machine language code and byte code?

3. Why does byte code make Java a portable language?

4. Is encapsulation a characteristic of procedural or object-oriented programming?

5. Why should an object hide its data?