CODEWITHSUNDEEP
javaobjectcasting
user3603183
user3603183

Reputation: 333

How to get over this cast exception?

I'm getting a cast error (cannot cast from string to station), how could I overcome this, as I will need you use startStation as a parameter in other methods:

Station startStation;
startStation = (Station)(view.getStartStation());

Here is the Station class:

    public class Station {

// The name of the station.
private String name;

public Station(String name) {
    if (name == null) {
        throw new NullPointerException(
                "The name of a station may not be null");
    }
    this.name = name;
}

Here is my getStartStation() method:

 public String getStartStation() {
    return startStation.getText();
}

Upvotes: 0

Views: 83

Answers (4)

TheEwook
TheEwook

Reputation: 11117

Just create a Station object by using the existing constructor:

Station startStation = new Station(view.getStartStation());

Upvotes: 5

Duncan Jones
Duncan Jones

Reputation: 69339

Your latest edit shows that your class already has a suitable constructor. Change your code to:

Station startStation;
startStation = new Station(view.getStartStation());

or, more simply, 

Station startStation = new Station(view.getStartStation());

Upvotes: 0

Afzaal Ahmad Zeeshan
Afzaal Ahmad Zeeshan

Reputation: 15860

cannot cast from string to station

The result of that method is a string data type. Try creating a new method to convert the string to Station data type. Station is not accepting the String data type values.

Otherwise it won't cast it.

Upvotes: 0

NimChimpsky
NimChimpsky

Reputation: 47290

Or make station take a constructor argument of string, and create a new instance based on the string.

You could also use a factory, for station object creation.

Upvotes: 1

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