returns the number of elements in the stack . concode_field_sep int size concode_elem_sep Object[] contents concode_elem_sep int initialSize concode_field_sep Object pop concode_elem_sep Object get concode_elem_sep boolean isEmpty concode_elem_sep Object clone concode_elem_sep void clear concode_elem_sep void push concode_elem_sep Object peek
int function ( ) { return this . size ; }