Java String - compareToIgnoreCaseIgnoreCase() Method

The java.lang.String.compareToIgnoreCase() method is used to compare two strings lexicographically, ignoring case differences.

Syntax

public int compareToIgnoreCase(String str)

Parameters

str specify the string to be compared.

Return Value

Returns a negative integer, zero, or a positive integer as the specified String is greater than, equal to, or less than this String, ignoring case considerations.

Exception

NA.

Example:

In the example below, compareToIgnoreCase() method is used to compare strings lexicographically, ignoring case differences.

import java.lang.*;

public class MyClass {
  public static void main(String[] args) {
    String str1 = "Hello World";
    String str2 = "HELLO WORLD";
    String str3 = "Learn Java.";

    //comparing str1 and str2
    System.out.println(str1.compareToIgnoreCase(str2));

    //comparing str1 and str3
    System.out.println(str1.compareToIgnoreCase(str3));
  }
}

The output of the above code will be:

0
-4

❮ Java.lang - String