question: public int writeAnnotationsDirectory ( AnnotationsDirectory annotationsDirectory ) { int off = data . position ( ) ; writeInt ( annotationsDirectory . classAnnotationsOffset ) ; writeInt ( annotationsDirectory . fieldAnnotations . length ) ; writeInt ( annotationsDirectory . methodAnnotations . length ) ; writeInt ( annotationsDirectory . parameterAnnotations . length ) ; for ( int [ ] fieldAnnotation : annotationsDirectory . fieldAnnotations ) { writeInt ( fieldAnnotation [ 0 ] ) ; writeInt ( fieldAnnotation [ 1 ] ) ; } for ( int [ ] methodAnnotation : annotationsDirectory . methodAnnotations ) { writeInt ( methodAnnotation [ 0 ] ) ; writeInt ( methodAnnotation [ 1 ] ) ; } for ( int [ ] parameterAnnotation : annotationsDirectory . parameterAnnotations ) { writeInt ( parameterAnnotation [ 0 ] ) ; writeInt ( parameterAnnotation [ 1 ] ) ; } return off ; }
target:  Write AnnotationDirectory item into current section.