**Inheritance:**
java.lang.Object, java.awt.geom.Dimension2D
```
public abstract class Size2D extends Dimension2D
```

The `Size2D` class describes dimensions  (w x h) .

This class is only the abstract superclass for all objects that store 2D dimensions. The actual storage representation of the dimensions is left to the subclass.
## Constructors

| Constructor | Description |
| --- | --- |
| [Size2D()](#Size2D--) |  |
### Size2D() {#Size2D--}
```
public Size2D()
```