Zapytanie o wartość zmiennej

public class pierwszy_s extends javax.swing.JFrame {

    private String kto = "";

 private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {                                          
 

         kto = "X";

 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
           if(kto.equalsIgnoreCase("X"))
           {
               jButton1.setForeground(Color.BLUE);
               jButton1.setText("Test");
           }
}