Need help with these two Java problems:

Create a class for cellphone object, think about the different fields and basic functionalities of a cellphone. Editar Ver Insertar Formato Herramientas Tabla 12pt Prrafov Tv | . 7 Write a function in java to receive an integer as number of rows and print following rectangle. In this rectangle number of rows is 6 and first line has 5 empty spaces followed by one asterisk. Second line has 4 empty spaces followed by 2 asterisk, and etc. * ** *** **** ***** ******