ArrayListCapacityCalculator

java.lang.Object

ch.nolix.base.container.arraylist.ArrayListCapacityCalculator

public final class ArrayListCapacityCalculator extends Object

Of the ArrayListCapacityCalculator an instance cannot be created.

Author:: Silvan Wyss

Method Summary

Modifier and Type

Method

Description

static boolean

arrayListNeedsToGrowForRequiredCapacity(int capacity, int requiredCapacity)

static int

calculateTargetCapacityForActualCapacityAndRequiredCapacity(int actualCapacity, int requiredCapacity)

Methods inherited from class Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- arrayListNeedsToGrowForRequiredCapacity
  
  public static boolean arrayListNeedsToGrowForRequiredCapacity(int capacity, int requiredCapacity)
  
  Parameters:
  
  capacity -
  
  requiredCapacity -
  
  Returns:
  
  true if an array list with the given capacity needs to grow to reach the given requiredCapacity, false otherwise.
- calculateTargetCapacityForActualCapacityAndRequiredCapacity
  
  public static int calculateTargetCapacityForActualCapacityAndRequiredCapacity(int actualCapacity, int requiredCapacity)
  
  Parameters:
  
  actualCapacity -
  
  requiredCapacity -
  
  Returns:
  
  the target capacity for an array list with the given actualCapacity and the given requiredCapacity.
  
  Throws:
  
  RuntimeException - if the given requiredCapacity is not bigger or does not equal the given actualCapacity.