question: sets the category for the end of the line . concode_field_sep long serialVersionUID concode_elem_sep Comparable category2 concode_elem_sep Paint paint concode_elem_sep Stroke stroke concode_elem_sep double value2 concode_elem_sep double value1 concode_elem_sep Comparable category1 concode_field_sep Stroke getStroke concode_elem_sep void writeObject concode_elem_sep void setCategory1 concode_elem_sep double getValue1 concode_elem_sep double getValue2 concode_elem_sep void draw concode_elem_sep void readObject concode_elem_sep void setValue2 concode_elem_sep void setValue1 concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep void setStroke concode_elem_sep Comparable getCategory2 concode_elem_sep Paint getPaint concode_elem_sep Comparable getCategory1 concode_elem_sep void setPaint
target: void function ( Comparable arg0 ) { if ( arg0 == null ) { throw new IllegalArgumentException ( "srini_string" ) ; } this . category2 = arg0 ; }