局部变量初始值
java会给成员变量赋初始值
不会给局部变量赋初始值
public class InitailPhone {
String var = "成员变量";
void func(){
String var = "局部变量";
System.out.println(var);
System.out.println(this.var);//访问成员变量时用this
}
public static void main(String[] args){
Telphone phone = new Telphone();
phone.screan = 14.5f;
phone.call();
phone.sendMessage();
InitailPhone tphone = new InitailPhone();
tphone.func();
}
}
