Tuesday, 13 December 2016

What is difference between Comparable and Comparator interface In Java ?


Here we list all the differences between Comparable and Comparator Interface In Java.


Comparable
Comparator
It belongs to java.lang; package.
It belongs to java.util; package.
It has method compareTo(Object ob).
It has method compare(Object ob1,Object ob2).
It provides single sorting sequence, because one object is provided in the method.
It provides multiple sorting sequence, because two objects are provided in the method.
Class whose object is to be sorted must implement this interface.
Class whose object is to be sorted there is no need to implement this interface. Some other class can implement this interface.
Collections.sort(list);
Here objects are sorted on the basis of compareTo() method.
Collections.sort(list,Comparator);
Here objects are sorted on the basis of compare() method.

    
Blog Author - Pushkar Khosla,
Software Developer by Profession with 3.0 Yrs of Experience , through this blog i'am sharing my industrial Java Knowledge to entire world. For any question or query any one can comment below or mail me at pushkar.itsitm52@gmail.com.

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