Observable

java.lang.Object
- java.util.Observable

```
public class Observable
extends Object
```

Constructor Summary

Constructors
Constructor Description

Observable()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addObserver(Observer var0)`
`protected void`	`clearChanged()`
`int`	`countObservers()`
`void`	`deleteObserver(Observer var0)`
`void`	`deleteObservers()`
`boolean`	`hasChanged()`
`void`	`notifyObservers()`
`void`	`notifyObservers(Object var0)`
`protected void`	`setChanged()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Observable
```
public Observable()
```

Method Detail

addObserver

public void addObserver(Observer var0)

clearChanged
```
protected void clearChanged()
```

countObservers
```
public int countObservers()
```

deleteObserver

public void deleteObserver(Observer var0)

deleteObservers
```
public void deleteObservers()
```

hasChanged
```
public boolean hasChanged()
```

notifyObservers
```
public void notifyObservers()
```

notifyObservers

public void notifyObservers(Object var0)

setChanged
```
protected void setChanged()
```