Draw (OpenTrafficSim core classes 1.6.0 API)

java.lang.Object
- org.opentrafficsim.core.math.Draw

```
public final class Draw
extends Object
```
Utility to draw from a collection.
Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Version:

$Revision$, $LastChangedDate$, by $Author$, initial version 23 aug. 2018

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <E> E`	`draw(Collection<E> collection, StreamInterface stream)`	Returns a randomly drawn element using uniform weights.
`static <E> E`	`drawWeighted(Map<E,? extends Double> map, StreamInterface stream)`	Returns a randomly drawn element using draw weights.

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

- Method Detail
  - drawWeighted
```
public static <E> E drawWeighted(Map<E,? extends Double> map,
                                 StreamInterface stream)
```
    Returns a randomly drawn element using draw weights.
    
    Type Parameters:
    
    E - element type
    
    Parameters:
    
    map - Map<E, ? extends Double>; map of elements and respective weights
    
    stream - StreamInterface; random number stream
    
    Returns:
    
    E; randomly drawn element
  - draw
```
public static <E> E draw(Collection<E> collection,
                         StreamInterface stream)
```
    Returns a randomly drawn element using uniform weights.
    
    Type Parameters:
    
    E - element type
    
    Parameters:
    
    collection - Collection<E>; collection of elements
    
    stream - StreamInterface; random number stream
    
    Returns:
    
    E; randomly drawn element