StringConstraint

[oll3i]

 
package zad1_2;
 
import java.util.*;
 
import bounded_type_p.Box;
 
public class Zad1_2 {
    ArrayList<String> list = new ArrayList<String>();
 
 
    public static final StringConstraint FIRST_NAME_CONSTRAINT =
        new StringConstraint("firstName", false, 30);
 
 
    public static final StringConstraint LAST_NAME_CONSTRAINT =
        new StringConstraint("lastName", false, 30);
 
    public static final StringConstraint PHONE_CONSTRAINT =
        new StringConstraint("phone", false, 20);
 
String firstName;
String lastName;
String phone;
 
public void setFirstName(final String firstName) {
    FIRST_NAME_CONSTRAINT.validate(firstName);
    final String oldFirstName = this.firstName;
    this.firstName = firstName;
    propertyChangeSupport.firePropertyChange("firstName", oldFirstName, this.firstName);
}
 
public String getFirstName() {
    return this.firstName;
}
 
public void setLastName(final String lastName) {
    LAST_NAME_CONSTRAINT.validate(lastName);
    final String oldLastName = this.lastName;
    this.lastName = lastName;
    propertyChangeSupport.firePropertyChange("lastName", oldLastName, this.lastName);
}
 
 
public String getLastName() {
    return this.lastName;
}
 
 
 
public void setPhone(final String phone) {
    PHONE_CONSTRAINT.validate(phone);
    final String oldPhone = this.phone;
    this.phone = phone;
    propertyChangeSupport.firePropertyChange("phone", oldPhone, this.phone);
}
 
public String getPhone() {
    return this.phone;
}
 
 
public static void main(String[] args) {
 
}
 
}
 

why it highlihgts StringConstraint as an error

[r035198x]

 
package zad1_2;
 
import java.util.*;
 
import bounded_type_p.Box;
 
public class Zad1_2 {
    ArrayList<String> list = new ArrayList<String>();
 
 
public static final StringConstraint FIRST_NAME_CONSTRAINT =
new StringConstraint("firstName", false, 30);
 
 
public static final StringConstraint LAST_NAME_CONSTRAINT =
new StringConstraint("lastName", false, 30);
 
public static final StringConstraint PHONE_CONSTRAINT =
new StringConstraint("phone", false, 20);
 
String firstName;
String lastName;
String phone;
 
public void setFirstName(final String firstName) {
FIRST_NAME_CONSTRAINT.validate(firstName);
final String oldFirstName = this.firstName;
this.firstName = firstName;
propertyChangeSupport.firePropertyChange("firstName", oldFirstName, this.firstName);
}
 
public String getFirstName() {
return this.firstName;
}
 
public void setLastName(final String lastName) {
LAST_NAME_CONSTRAINT.validate(lastName);
final String oldLastName = this.lastName;
this.lastName = lastName;
propertyChangeSupport.firePropertyChange("lastName", oldLastName, this.lastName);
}
 
 
public String getLastName() {
return this.lastName;
}
 
 
 
public void setPhone(final String phone) {
PHONE_CONSTRAINT.validate(phone);
final String oldPhone = this.phone;
this.phone = phone;
propertyChangeSupport.firePropertyChange("phone", oldPhone, this.phone);
}
 
public String getPhone() {
return this.phone;
}
 
 
public static void main(String[] args) {
 
}
 
}
 

why it highlihgts StringConstraint as an error

Where did you get the StringConstraint class from? It does not appear to be part of the standard java API.