public static boolean isTitleCase(char ch)

// 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);
    }
}

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