# 22. Virtuoso Functions Guide - java_set_property

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## java_set_property

Sets a Java class property
java_set_property (in class_name varchar, in instance_obj any, in field_name varchar, in field_ret_type_sig varchar, in field_new_value any);
Description

Assigns a new value to either a Java class instance property referenced by instance_obj, or if instance_obj is not supplied (NULL) then sets a static Java class property.

Parameters
class_name – the name of the java class to set property for.
instance_obj – the Java VM class instance reference value (for example returned by java_new_object VSEI). Can be NULL.
field_name – the name of the field in the java class.
field_ret_type_sig – the JNI type signature of the field.
field_new_value – the value to be set.
See Also

java_call_method()

java_vm_attach()

java_get_property()

java_load_class()

java_new_object()

java_vm_detach()