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## org.apache.tools.ant.util
Class LazyHashtable

    java.lang.Object
      |
      +--java.util.Dictionary
            |
            +--java.util.Hashtable
                  |
                  +--org.apache.tools.ant.util.LazyHashtable

All Implemented Interfaces:
  java.lang.Cloneable, java.util.Map, java.io.Serializable

public class LazyHashtable
extends java.util.Hashtable

Hashtable implementation that allows delayed construction of expensive objects All operations that need access to the full list of objects will call initAll() first. Get and put are cheap.

Since:
  Ant 1.6
See Also:
  Serialized Form

Field Summary
`protected boolean` | `initAllDone`

Constructor Summary
`LazyHashtable()`

Method Summary
`boolean` | `contains(java.lang.Object value)`
`boolean` | `containsKey(java.lang.Object value)`
`boolean` | `containsValue(java.lang.Object value)` Delegates to `contains`.
`java.util.Enumeration` | `elements()`
`protected void` | `initAll()` Used to be part of init.
`boolean` | `isEmpty()`
`java.util.Enumeration` | `keys()`
`int` | `size()`

Methods inherited from class java.util.Hashtable
`clear, clone, entrySet, equals, get, hashCode, keySet, put, putAll, rehash, remove, toString, values`

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

### initAllDone

    protected boolean initAllDone

Constructor Detail

### LazyHashtable

    public LazyHashtable()

Method Detail

### initAll

    protected void initAll()

  Used to be part of init. It must be done once - but we delay it until we do need _all_ tasks. Otherwise we just get the tasks that we need, and avoid costly init.

### elements

    public java.util.Enumeration elements()

  Overrides:
    `elements` in class `java.util.Hashtable`

### isEmpty

    public boolean isEmpty()

  Specified by:
    `isEmpty` in interface `java.util.Map`
  Overrides:
    `isEmpty` in class `java.util.Hashtable`

### size

    public int size()

  Specified by:
    `size` in interface `java.util.Map`
  Overrides:
    `size` in class `java.util.Hashtable`

### contains

    public boolean contains(java.lang.Object value)

  Overrides:
    `contains` in class `java.util.Hashtable`

### containsKey

    public boolean containsKey(java.lang.Object value)

  Specified by:
    `containsKey` in interface `java.util.Map`
  Overrides:
    `containsKey` in class `java.util.Hashtable`

### containsValue

    public boolean containsValue(java.lang.Object value)

  Delegates to `contains`.

  Specified by:
    `containsValue` in interface `java.util.Map`
  Overrides:
    `containsValue` in class `java.util.Hashtable`

### keys

    public java.util.Enumeration keys()

  Overrides:
    `keys` in class `java.util.Hashtable`

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