Summer learning progress report 5

    This week a major learning Java classes, arrays and inheritance. dataType [] arrayReFVar; preferred method is an array variable declarations, dataType arrayReFVar [] the same effect, but not preferred, this style from C / C ++, for quick understanding Java. Use C ++ class is approximately the same, however, JAVA only supports single inheritance, do not support multiple inheritance, but support multiple inheritance. This week also made a topic on the PTA.