Eclipse writing in java basic program

Install eclipse application

Install eclipse and create a shortcut to open the application and put it on the D drive.

Create a Java project named project name
src and create a package named com.hg.dem02;
create two classes named Demo02PhoneTwo and Phone;

write the source code in the first class and The annotation

is mainly defined in the second class.
Define a class to simulate "mobile phone" things.
Corresponds to the category (attribute);
brand price color
member method (behavior);
call group text messaging

Save and run

Running results and overall


big data 2003 student number 2020080603020