Method_Became_Static High Methods Method became static. A client program may be interrupted by **NoSuchMethodError** exception. Method_Became_NonStatic High Methods Method became non-static. A client program may be interrupted by **NoSuchMethodError** exception. Changed_Method_Return_From_Void High Methods Return value type has been changed from **void** to @new_value. This method has been removed because the return type is part of the method signature. A client program may be interrupted by **NoSuchMethodError** exception. Changed_Method_Return High Methods Return value type has been changed from @old_value to @new_value. This method has been removed because the return type is part of the method signature. A client program may be interrupted by **NoSuchMethodError** exception. Static_Method_Became_Final Safe Methods Method became final. No effect. NonStatic_Method_Became_Final Medium Methods Method became final. A client program trying to reimplement this method may be interrupted by **VerifyError** exception. Method_Became_Abstract High Methods Method became abstract. A client program trying to create an instance of the method's class may be interrupted by **InstantiationError** exception. Method_Became_NonAbstract Low Methods Method became non-abstract. A client program may change behavior. Method_Became_Default Safe Methods Method became default. No effect. Method_Became_NonDefault High Methods Method became non-default. A client program trying to create an instance of a class may be interrupted by **AbstractMethodError** exception. Method_Became_Synchronized Low Methods Method became synchronized. A multi-threaded client program may change behavior. Method_Became_NonSynchronized Low Methods Method became non-synchronized. A multi-threaded client program may change behavior. Changed_Method_Access High Methods Access level has been changed from @old_value to @new_value. A client program may be interrupted by **IllegalAccessError** exception. NonAbstract_Method_Added_Checked_Exception Low Methods Added @target exception thrown. A client program may be interrupted by added exception. NonAbstract_Method_Removed_Checked_Exception Low Methods Removed @target exception thrown. A client program may change behavior because the removed exception will not be thrown any more and client will not catch and handle it. Added_Unchecked_Exception Low Methods Added @target exception thrown. A client program may be interrupted by added exception. Removed_Unchecked_Exception Low Methods Removed @target exception thrown. A client program may change behavior because the removed exception will not be thrown any more and client will not catch and handle it. Added_Method Safe Methods Removed_Method High Methods Variable_Arity_To_Array Safe Methods Type of parameter @param_name has been changed from @old_value to @new_value. No effect. Array_To_Variable_Arity Safe Methods Type of parameter @param_name has been changed from @old_value to @new_value. No effect. NonAbstract_Class_Added_Abstract_Method High Types Abstract method @target has been added to this class. This class became abstract and a client program may be interrupted by **InstantiationError** exception. Abstract_Class_Added_Abstract_Method Safe Types Abstract method @target has been added to this class. No effect. Abstract_Class_Added_Abstract_Method_Invoked_By_Others Medium Types Abstract method @target has been added to this class. A client program may be interrupted by **AbstractMethodError** exception. Added abstract method is called in 2nd library version by the method @invoked_by and may not be implemented by old clients. Class_Removed_Abstract_Method High Types Abstract method @target has been removed from this class. A client program may be interrupted by **NoSuchMethodError** exception. Interface_Removed_Abstract_Method High Types Abstract method @target has been removed from this interface. A client program may be interrupted by **NoSuchMethodError** exception. Interface_Added_Abstract_Method Safe Types Abstract method @target has been added to this interface. No effect. Interface_Added_Abstract_Method_Invoked_By_Others Medium Types Abstract method @target has been added to this interface. A client program may be interrupted by **AbstractMethodError** exception. Added abstract method is called in 2nd library version by the method @invoked_by and may not be implemented by old clients. NonImpl_Interface_Added_Abstract_Method Safe Types Abstract method @target has been added to this interface. No effect. Class_Method_Became_Abstract High Types Method @target became abstract. A client program may be interrupted by **InstantiationError** exception. Class_Method_Became_NonAbstract Low Types Abstract method @target became non-abstract. Some methods in this class may change behavior. Interface_Method_Became_NonDefault High Types Method @target became non-default. A client program may be interrupted by **AbstractMethodError** exception. Interface_Method_Became_Default Safe Types Method @target became default. No effect. Class_Overridden_Method Low Types Method @old_value has been overridden by @new_value. Method @new_value will be called instead of @old_value in a client program. Class_Method_Moved_Up_Hierarchy Low Types Method @old_value has been moved up type hierarchy to @new_value. Method @new_value will be called instead of @old_value in a client program. Abstract_Class_Added_Super_Interface Safe Types Added super-interface @target. No effect. Abstract_Class_Added_Super_Interface_Invoked_By_Others Medium Types Added super-interface @target. If abstract methods from an added super-interface must be implemented by client then it may be interrupted by **AbstractMethodError** exception. NOTE: Abstract method @invoked from the added super-interface is called by the method @invoked_by in 2nd library version and may not be implemented by old clients. Abstract_Class_Added_Super_Interface_With_Implemented_Methods Safe Types Added super-interface @target. No effect. Interface_Added_Super_Interface Safe Types Added super-interface @target. No effect. Interface_Added_Super_Interface_Used_By_Others Medium Types Added super-interface @target. If abstract methods from an added super-interface must be implemented by client then it may be interrupted by **AbstractMethodError** exception. NOTE: Abstract method @invoked from the added super-interface is called by the method @invoked_by in 2nd library version and may not be implemented by old clients. Interface_Added_Super_Interface_With_Implemented_Methods Safe Types Added super-interface @target. No effect. Interface_Added_Super_Constant_Interface Low Types Added super-interface @target containing constants only. A static field from a super-interface of a client class may hide a field (with the same name) inherited from a super-class and cause **IncompatibleClassChangeError** exception. Interface_Removed_Super_Interface High Types Removed super-interface @target. A client program may be interrupted by **NoSuchMethodError** exception. Class_Removed_Super_Interface High Types Removed super-interface @target. A client program may be interrupted by **NoSuchMethodError** exception. Interface_Removed_Super_Constant_Interface Safe Types Removed super-interface @target containing constants only. No effect. Added_Super_Class Low Types Added super-class @target. A static field from a super-interface of a client class may hide a field (with the same name) inherited from new super-class and cause **IncompatibleClassChangeError** exception. Abstract_Class_Added_Super_Abstract_Class Safe Types Added abstract super-class @target. No effect. Abstract_Class_Added_Super_Abstract_Class_Invoked_By_Others Medium Types Added abstract super-class @target. If abstract methods from an added super-class must be implemented by client then it may be interrupted by **AbstractMethodError** exception. Abstract method @invoked from the added abstract super-class is called by the method @invoked_by in 2nd library version and may not be implemented by old clients. Removed_Super_Class Medium Types Removed super-class @target. Access of a client program to the fields or methods of the old super-class may be interrupted by **NoSuchFieldError** or **NoSuchMethodError** exceptions. Changed_Super_Class Low Types Superclass has been changed from @old_value to @new_value. 1) Access of a client program to the fields or methods of the old super-class may be interrupted by **NoSuchFieldError** or **NoSuchMethodError** exceptions. 2) A static field from a super-interface of a client class may hide a field (with the same name) inherited from new super-class and cause **IncompatibleClassChangeError** exception. Class_Added_Field Safe Fields Field @target has been added to this class. No effect. Class_Added_Field_Non_Safe Low Fields Field @target has been added to this class. NOTE: A static field from a super-interface of a client class may hide an added field (with the same name) inherited from the super-class of a client class and cause **IncompatibleClassChangeError** exception. Interface_Added_Field Safe Fields Field @target has been added to this interface. No effect. Interface_Added_Field_Non_Safe Low Fields Field @target has been added to this interface. NOTE: An added static field from a super-interface of a client class may hide a field (with the same name) inherited from the super-class of a client class and cause **IncompatibleClassChangeError** exception. Renamed_Field High Fields Field @target has been renamed to @new_value. A client program may be interrupted by **NoSuchFieldError** exception. Renamed_Constant_Field Low Fields Field @target of type @field_type with the compile-time constant value @field_value has been renamed to @new_value. A client program may change behavior. Removed_NonConstant_Field High Fields Field @target of type @field_type has been removed from this @type_type. A client program may be interrupted by **NoSuchFieldError** exception. Removed_Constant_Field Low Fields Field @target of type @field_type with the compile-time constant value @field_value has been removed from this @type_type. A client program may change behavior. Changed_Field_Type High Fields Type of field @target has been changed from @old_value to @new_value. A client program may be interrupted by **NoSuchFieldError** exception. Changed_Field_Access High Fields Access level of field @target has been changed from @old_value to @new_value. A client program may be interrupted by **IllegalAccessError** exception. Changed_Field_Access_To_Package_Private High Fields Access level of field @target has been changed from @old_value to @new_value. A client program may be interrupted by **IllegalAccessError** exception. Changed_Final_Field_Value Medium Fields Value of final field @target of type @field_type has been changed from @old_value to @new_value. Old value of the field will be inlined to the client code at compile-time and will be used instead of a new one. Changed_Final_Version_Field_Value Low Fields Value of final field @target of type @field_type has been changed from @old_value to @new_value. Old value of the field will be inlined to the client code at compile-time and will be used instead of a new one. Field_Became_Final Medium Fields Field @target became final. A client program may be interrupted by **IllegalAccessError** exception when attempts to assign new value to the field. Field_Became_NonFinal Low Fields Field @target became non-final. Old value of the field will be inlined to the client code at compile-time and will be used instead of a new one. NonConstant_Field_Became_Static High Fields Non-final field @target became static. A client program may be interrupted by **IncompatibleClassChangeError** exception. NonConstant_Field_Became_NonStatic High Fields Non-constant field @target became non-static. A client program may be interrupted by **IncompatibleClassChangeError** exception. Class_Became_Interface High Types This **class** became **interface**. A client program may be interrupted by **IncompatibleClassChangeError** or **InstantiationError** exception dependent on the usage of this class. Interface_Became_Class High Types This **interface** became **class**. A client program may be interrupted by **IncompatibleClassChangeError** exception. Interface_Became_Generic Safe Types This interface became **generic** (@new_value). No effect. Interface_Became_Raw Low Types This interface became **raw**. No effect. Class_Became_Generic Safe Types This class became **generic** (@new_value). No effect. Class_Became_Raw Low Types This class became **raw**. No effect. Class_Became_Final High Types This class became final. A client program may be interrupted by **VerifyError** exception. Class_Became_Abstract High Types This class became abstract. A client program may be interrupted by **InstantiationError** exception. Removed_Class High Types This class has been removed. A client program may be interrupted by **NoClassDefFoundError** exception. Removed_Interface High Types This interface has been removed. A client program may be interrupted by **NoClassDefFoundError** exception. Added_Annotation_Default_Element Safe Types Element @target of type @elem_type with default value @new_value has been added to this annotation type. No effect. Added_Annotation_NonDefault_Element Safe Types Element @target of type @elem_type without a default value has been added to this annotation type. No effect. Removed_Annotation_Default_Element Safe Types Element @target of type @elem_type with default value @old_value has been removed from this annotation type. No effect. Removed_Annotation_NonDefault_Element Safe Types Element @target of type @elem_type without a default value has been removed from this annotation type. No effect. Annotation_Element_Changed_Default_Value Safe Types Changed default value of the element @target from @old_value to @new_value in this annotation type. No effect. Annotation_Element_Removed_Default_Value Safe Types Removed default value @old_value from the element @target of this annotation type. No effect. Annotation_Element_Added_Default_Value Safe Types Added default value @new_value for the element @target of this annotation type. No effect. Annotation_Element_Changed_Type Safe Types Changed type of the element @target from @old_value to @new_value in this annotation type. No effect. Annotation_Element_Changed_Type_Safe Safe Types Changed type of the element @target from @old_value to @new_value in this annotation type. No effect.