Java String compare
We can compare string in java on the basis of content and reference.
It is used in authentication (by equals() method), sorting (by compareTo() method), reference matching (by == operator) etc.
There are three ways to compare string in java:
1) String compare by equals() method
The String equals() method compares the original content of the string. It compares values of string for equality. String class provides two methods:
Test it Now
Output:true true false
Click here for more about equals() method
2) String compare by == operator
The = = operator compares references not values.Test it Now
3) String compare by compareTo() method
The String compareTo() method compares values lexicographically and returns an integer value that describes if first string is less than, equal to or greater than second string.
Suppose s1 and s2 are two string variables. If:
Click me for more about compareTo() method
Output:0 1 -1
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