# Commons Collection 🥏

- [CC1-TransformedMap](/java/serial-journey/commons-collection/cc1_transformedmap.md)
- [CC1-LazyMap](/java/serial-journey/commons-collection/cc1_lazymap.md)
- [CC6](/java/serial-journey/commons-collection/cc6.md)
- [CC3](/java/serial-journey/commons-collection/cc3.md)
- [CC2](/java/serial-journey/commons-collection/cc2.md)