Vector USES two primitive data types — string (element data) and Integer (elementcount).
Vector使用两个原始数据类型:string(元素数据)和Integer(元素计数)。
2
The hash is then checked for the word; if found, the count is added to the element.
而后该 hash 会检查该单词;如果发现,则将计数添加到元素。
3
Now add a count to the element and set the value to 2. The rule is defined that counts the active selected elements and returns true if two elements are selected.