Java - String compareTo() Method
Description
This method compares this String to another Object.
Syntax
Here is the syntax of this method −
int compareTo(Object o)
Parameters
Here is the detail of parameters −
- O − the Object to be compared.
Return Value
- The value 0 if the argument is a string lexicographically equal to this string; a value less than 0 if the argument is a string lexicographically greater than this string; and a value greater than 0 if the argument is a string lexicographically less than this string.
Example
public class Test { public static void main(String args[]) { String str1 = "Strings are immutable"; String str2 = new String("Strings are immutable"); String str3 = new String("Integers are not immutable"); int result = str1.compareTo( str2 ); System.out.println(result); result = str2.compareTo( str3 ); System.out.println(result); } }
This will produce the following result −
Output
0 10
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