A. Java’s process of automatically “boxing up” a value inside an object(Java在对象内部自动“封装”一个值的过程)
B. The automatic allocation array elements(自动分配数组元素)
C. The process of assigning a default value to primitive data types(为原始数据类型分配默认值的过程)
D. The process of identifying tokens in a string(识别字符串中的标记的过程)