Why functional interface in java 8

- Why we need functional interface in java 8
- Functional interface in java 8 list
- Function functional interface in java 8
- Supplier functional interface in java 8 example
- Comparator functional interface in java 8
- Consumer functional interface in java 8 example
- Why functional interface introduced in java 8
- Why functional interface introduced in java 8 with example
- Why do we need functional interface in java 8
- Why we go for functional interface in java 8
- Functional interface in java 8 real time example
- Functional interface in java 8 example javatpoint
- Functional interface in java 8 package
- Functional interface in java 8 medium
- Functional interface in java 8 w3schools