Programming:
Create a class the first generation of mobile phones and request contains information (tel_id), phone number and include access to phone Numbers (getTel_id (), returns the value of tel_id), storage number (setTel_id (), modified tel_id value), make a phone call (CallTel (), output: you dial the telephone number of the... Is switched on), and hung up the phone (endCall (), output: end of the phone), and other functions, and such as the parent class, subclass class of the second generation mobile phones and add photos (setImage (), output: photo) function, with the second generation of mobile objects to generate and mock implementation call, hang up the phone and take pictures, and other functions,

CodePudding user response:

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Public class FirstPhone {
Private Integer tel_id; 

Public Integer getTel_id () {
Return tel_id; 
} 

Public void setTel_id (Integer tel_id) {
Enclosing tel_id=tel_id; 
} 

Public void callTel () {
System. Out.println (" you dial the telephone number of the... Are switched on in "); 
} 

Public void endCall () {
System. The out. Println (" over "); 
} 
} 

 
Public class SecondPhone extends FirstPhone {

Public static void main (String [] args) {
SecondPhone sp=new SecondPhone (); 
Sp. CallTel (); 
Sp. EndCall (); 
Sp. SetImage (); 
} 

Public void setImage () {
System. The out. Println (" photos "); 
} 
}