What is difference between == equals () and compareTo () method in Java? – Enpatika
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What is difference between == equals () and compareTo () method in Java?

Do strings use .equals or ==?

1 April 2022 Enpatika.com Genel

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

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Can I use == to compare strings in Java?

1 April 2022 Enpatika.com Genel

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.

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What is an equals method in Java?

1 April 2022 Enpatika.com Genel

Java String equals() Method The equals() method compares two strings, and returns true if the strings are equal, and false if not .

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Why compareTo () should be consistent to equals () method in Java?

1 April 2022 Enpatika.com Genel

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 .

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Why compareTo () should be consistent to equals () method in Java?

1 April 2022 Enpatika.com Genel

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 .

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What is difference between == equals () and compareTo () method in Java?

1 April 2022 Enpatika.com Genel

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.

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How do you write a compareTo method in Java?

1 April 2022 Enpatika.com Genel

Java String compareTo() Method Example

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