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## java.io
Class ObjectOutputStream.PutField

    java.lang.Object
      java.io.ObjectOutputStream.PutField

Enclosing class:
  ObjectOutputStream

    public abstract static class ObjectOutputStream.PutField

extends Object

Provide programmatic access to the persistent fields to be written to ObjectOutput.

Since:
  1.2

Constructor Summary
`ObjectOutputStream.PutField()`

Method Summary
`abstract void` | `put(String name, boolean val)` Put the value of the named boolean field into the persistent field.
`abstract void` | `put(String name, byte val)` Put the value of the named byte field into the persistent field.
`abstract void` | `put(String name, char val)` Put the value of the named char field into the persistent field.
`abstract void` | `put(String name, double val)` Put the value of the named double field into the persistent field.
`abstract void` | `put(String name, float val)` Put the value of the named float field into the persistent field.
`abstract void` | `put(String name, int val)` Put the value of the named int field into the persistent field.
`abstract void` | `put(String name, long val)` Put the value of the named long field into the persistent field.
`abstract void` | `put(String name, Object val)` Put the value of the named Object field into the persistent field.
`abstract void` | `put(String name, short val)` Put the value of the named short field into the persistent field.
`abstract void` | `write(ObjectOutput out)` Deprecated. This method does not write the values contained by this `PutField` object in a proper format, and may result in corruption of the serialization stream. The correct way to write `PutField` data is by calling the `ObjectOutputStream.writeFields()` method.

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

Constructor Detail

### ObjectOutputStream.PutField

    public ObjectOutputStream.PutField()

Method Detail

### put

    public abstract void put(String name,
                             boolean val)

  Put the value of the named boolean field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             byte val)

  Put the value of the named byte field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             char val)

  Put the value of the named char field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             short val)

  Put the value of the named short field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             int val)

  Put the value of the named int field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             long val)

  Put the value of the named long field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             float val)

  Put the value of the named float field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             double val)

  Put the value of the named double field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### put

    public abstract void put(String name,
                             Object val)

  Put the value of the named Object field into the persistent field.

  Parameters:
    `name` - the name of the serializable field
    `val` - the value to assign to the field

### write

    @Deprecated
    public abstract void write(ObjectOutput out)
                        throws IOException

  Deprecated. This method does not write the values contained by this `PutField` object in a proper format, and may result in corruption of the serialization stream. The correct way to write `PutField` data is by calling the `ObjectOutputStream.writeFields()` method.

  Write the data and fields to the specified ObjectOutput stream.

  Parameters:
    `out` - the stream to write the data and fields to
  Throws:
    `IOException` - if I/O errors occur while writing to the underlying stream

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.