Java Data Type Tutorial - Java Character .isJavaIdentifierStart(int codePoint)

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Syntax

Character.isJavaIdentifierStart(int codePoint) has the following syntax.

public static boolean isJavaIdentifierStart(int codePoint)

Example

In the following code shows how to use Character.isJavaIdentifierStart(int codePoint) method.

public class Main {
//from  ww  w.j a v  a 2  s.c  om
   public static void main(String[] args) {
      char ch1 = '3', ch2 = '_';

      boolean b1 = Character.isJavaIdentifierStart(ch1);
      boolean b2 = Character.isJavaIdentifierStart(ch2);

      System.out.println( b1 );
      System.out.println( b2 );
   }
}

The code above generates the following result.

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