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Character.isTitleCase() in Java with examples

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The java.lang.Character.isTitleCase() in an inbuilt method in java which determines if the specified character is a titlecase character or not. A character is a titlecase character if its general category type, provided by getType(codePoint), is a TITLECASE_LETTER.
Some characters look like pairs of Latin letters. For example, there is an uppercase letter that looks like “LJ” and has a corresponding lowercase letter that looks like “lj”. A third form, which looks like “Lj”, is the appropriate form to use when rendering a word in lowercase with initial capitals, as for a book title.

Given below are some of the Unicode characters for which this method returns true:

  1. LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
  2. LATIN CAPITAL LETTER L WITH SMALL LETTER J
  3. LATIN CAPITAL LETTER N WITH SMALL LETTER J
  4. LATIN CAPITAL LETTER D WITH SMALL LETTER Z

Syntax:

public static boolean isTitleCase(char ch)

Parameter:The function accepts only one mandatory parameter ch which signifies the character to be tested.

Return Value: This method returns true if the character is titlecase else it returns false.

Below program illustrate the isTitleCase() method:




// Java program to demonstrate
// Character.isTitleCase() method
import java.lang.*;
public class gfg {
  
    public static void main(String[] args)
    {
  
        // Assign values to ch1, ch2
        char ch1 = 'Z';
        char ch2 = '\u01f2';
  
        // Function to check if the
        // character is a title case or not
        boolean b1 = Character.isTitleCase(ch1);
        boolean b2 = Character.isTitleCase(ch2);
  
        System.out.println(ch1 + " is a titlecase character is " + b1);
        System.out.println("unicode \u01f2 is a titlecase character is " + b2);
    }
}


Output:

Z is a titlecase character is false
unicode ? is a titlecase character is true

Last Updated : 06 Dec, 2018
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