August first week of learning

The main point of this week, died last month to review the knowledge learned, to review how to use variables to calculate the input and output becomes more proficient, but also learned a comparison between variables, learned how to size between the number of judgment and so on, mainly to learn by teaching on the website to explain, the switch can only support byte, short, char, int these basic data types and their corresponding package types. Brackets behind the switch can only put an int, but the byte, short, char type, they are automatically converted to an int (small fine precision conversion to large), they are also supported. A deeper understanding of the use of a switch statement, using the common method of Object: clone getclass method and so on. Java four references, the strength of soft imaginary scene used. Make their own learning and understanding more profound,