sort using comparators in java 8

comparator using java 8

comparator is powerful technique to implement custom sort in java.
Before java 8 usual way was to use anonymous inner class.

In this post we ‘ll see using comparator before and after java 8 .
Code for reference :

java 8 comparator

• using anonymous class for sorting
  refer line 26, this is traditional way to use anonymous inner class to write comparators
• using java8 for sorting
  refer : 48 we can use stream and then sorted method to sort this also require us to pass comparator object.
• ascending and descending sorts
  please refer lines : 46, 52
• chain of sorting
  refer :58 , we can chain multiple sorting this is great feature to add chain of custom sorting.

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