jfield

Arguments: class-ref-or-field field-or-instance &optional instance value

This function retrieves or modifies a field in a Java class or instance.

The valid argument patterns for this operation are:

• class-ref  field-name: to retrieve the value of a static field.
• class-ref  field-name  instance-ref: to retrieve the value of a class field of the instance.
• class-ref  field-name  primitive-value: to store primitive-value in a static field.
• class-ref  field-name  instance-ref  value: to store value in a class field of the instance.
• class-ref  field-name  nil  value: to store value in a static field (when value may be confused with an instance-ref).
• field-name  instance: to retrieve the value of a field of the instance. The class is derived from the instance.
• field-name  instance  value: to store value in a field of the instance. The class is derived from the instance.

See jlinker.htm for more information on the jLinker facility.

Copyright (c) 1998-2002, Franz Inc. Oakland, CA., USA. All rights reserved.
Documentation for Allegro CL version 6.2. This page has had significant revisions compared to the 6.1 page.
Created 2002.2.26.