Uses of Class java.util.HashMap (Java SE 9 & JDK 9 )

## Uses of Class
java.util.HashMap

- Packages that use HashMap
  Package | Description
  --- | ---
  java.beans.beancontext | Provides classes and interfaces relating to bean context.
  java.util | Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
  javax.print.attribute.standard | Package javax.print.attribute.standard contains classes for specific printing attributes.

- - ### Uses of HashMap in java.beans.beancontext

    Fields in java.beans.beancontext declared as HashMap
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected HashMap<Object,BeanContextSupport.BCSChild>` | BeanContextSupport.`children` | all accesses to the `protected HashMap children` field shall be synchronized on that object.
    `protected HashMap<Object,BeanContextServicesSupport.BCSSServiceProvider>` | BeanContextServicesSupport.`services` | all accesses to the `protected transient HashMap services` field should be synchronized on that object

  - ### Uses of HashMap in java.util

    Subclasses of HashMap in java.util
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `LinkedHashMap<K,V>` | Hash table and linked list implementation of the `Map` interface, with predictable iteration order.

  - ### Uses of HashMap in javax.print.attribute.standard

    Subclasses of HashMap in javax.print.attribute.standard
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `PrinterStateReasons` | Class PrinterStateReasons is a printing attribute class, a set of enumeration values, that provides additional information about the printer's current state, i.e., information that augments the value of the printer's `PrinterState` attribute.