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can someone tell me where i went wrong im getting an exception error /* Chapter

ID: 3885736 • Letter: C

Question

can someone tell me where i went wrong im getting an exception error

/*

Chapter 10: The User Class

Programmer:

Date: September 16, 2017

Filename: User.java

Purpose: To provide a User class to test the Password class

*/

public class User

{

private String name;

private Password pswd;

public User(String aName, String password) throws PasswordException

{

name = new String(aName);

pswd = new Password(password);

}

public User(String aName, String password, int pswdUses) throws PasswordException

{

name = new String(aName);

pswd = new Password(password,pswdUses);

}

public User(String aName, String password, boolean autoExpirePswd) throws PasswordException

{

name = new String(aName);

pswd = new Password(password,autoExpirePswd);

}

public String getName()

{

return new String(name);

}

public boolean pswdAutoExpires()

{

return pswd.getAutoExpires();

}

public boolean pswdIsExpiring()

{

return pswd.isExpiring();

}

public int getPswdUses()

{

return pswd.getRemainingUses();

}

public void validate(String password) throws PasswordException

{

pswd.validate(password);

}

public void changePassword(String oldPassword, String newPassword) throws PasswordException

{

try

{

pswd.validate(oldPassword);

}

catch(PasswordExpiredException ex)

{}

pswd.set(newPassword);

}

}

Explanation / Answer

Below is the modified code for the given program:

class Password

{

private String password;

public Password(String password)

{

// TODO Auto-generated constructor stub

}

public Password(String password, boolean autoExpirePswd) {

// TODO Auto-generated constructor stub

}

public Password(String password2, int pswdUses) {

// TODO Auto-generated constructor stub

}

public void validate(String password2)

{

// TODO Auto-generated method stub

}

public boolean getAutoExpires() {

// TODO Auto-generated method stub

return false;

}

public boolean isExpiring() {

// TODO Auto-generated method stub

return false;

}

public int getRemainingUses() {

// TODO Auto-generated method stub

return 0;

}

public void set(String newPassword) {

// TODO Auto-generated method stub

}

}

public class User

{

private String name;

private Password pswd;

public User(String aName, String password) throws PasswordException

{

name = new String(aName);

pswd = new Password(password);

}

public User(String aName, String password, int pswdUses) throws PasswordException

{

name = new String(aName);

pswd = new Password(password,pswdUses);

}

public User(String aName, String password, boolean autoExpirePswd) throws PasswordException

{

name = new String(aName);

pswd = new Password(password,autoExpirePswd);

}

public String getName()

{

return new String(name);

}

public boolean pswdAutoExpires()

{

return pswd.getAutoExpires();

}

public boolean pswdIsExpiring()

{

return pswd.isExpiring();

}

public int getPswdUses()

{

return pswd.getRemainingUses();

}

public void validate(String password) throws PasswordException

{

pswd.validate(password);

}

public void changePassword(String oldPassword, String newPassword) throws PasswordException

{

pswd.validate(oldPassword);

pswd.set(newPassword);

}

}