Generally . equals is used for Object comparison , where you want to verify if two Objects have an identical value. == for reference comparison (are the two Objects the same Object on the heap) & to check if the Object is null.20 Nis 2009
Read moreCan I use == to compare strings in Java?
To compare these strings in Java, we need to use the equals() method of the string. You should not use == (equality operator) to compare these strings because they compare the reference of the string , i.e. whether they are the same object or not.
Read moreWhat is an equals method in Java?
Java String equals() Method The equals() method compares two strings, and returns true if the strings are equal, and false if not .
Read moreWhat is difference between == equals () and compareTo () method in Java?
The 2 main differences are that: equals will take any Object as a parameter, but compareTo will only take Strings . equals only tells you whether they’re equal or not, but compareTo gives information on how the Strings compare lexicographically.
Read moreWhy compareTo () should be consistent to equals () method in Java?
2) CompareTo must be in consistent with equals method e.g. if two objects are equal via equals() , there compareTo() must return zero otherwise if those objects are stored in SortedSet or SortedMap they will not behave properly .
Read moreWhy compareTo () should be consistent to equals () method in Java?
2) CompareTo must be in consistent with equals method e.g. if two objects are equal via equals() , there compareTo() must return zero otherwise if those objects are stored in SortedSet or SortedMap they will not behave properly .
Read moreHow do you write a compareTo method in Java?
Java String compareTo() Method Example
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