Abstract class and interface in java 8

- Difference between abstract class and interface in java 8
- Abstract class vs interface in java 8
- When to use abstract class and interface in java 8
- When to use abstract class and interface in java 8 with real time example
- Difference between abstract class and functional interface in java 8
- Difference between abstract class and interface after java 8
- Abstract class vs interface after java 8