Resultado errado:

public class Incrementa {
    
    /** Creates a new instance of Incremeta */
    public static void main( String args[] )
    {
        int x, sum;
        x = 1;
        sum = 0;
        
        while ( x >= 10){
            sum += x;
            ++x;
        }
        System.out.printf("A soma é: %d\n", sum);
    }
    
}

A soma Ú: 0