swift5.0 类

class Student
{
    final var name:String = ""
    private var age:Int = 0
    private var score:Double = 0.0
    private var ispass:Bool = false
    
    public static let schoolName = "第五代"
    
    convenience init()
    {
        self.init(name:"浏览量",age:33,score:59)
    }
    
    init(name:String, age:Int, score:Double) {
        
        self.name = name
        self.age = age
        self.score = score
        ispss(param: score)
    }
    
    private func ispss(param:Double)
    {
        self.score = param
        if self.score < 60 {
            self.ispass = false
        }else{
            self.ispass = true
        }
    }
}

var s1 = Student()
print(s1.name)

class Student
{
    var name = "hello"
}

var s1 = Student()

print(s1.name)

var s2 = s1
s2.name = "1111"
print(s2.name)
print(s1.name)
 
class Person
{
    private var name:String
    private var age:Int
    
    init(name:String,age:Int) {
        self.name = name
        self.age = age
    }
    
    public func setName(name:String)
    {
        self.name = name
    }
    
    public func setAge(age:Int)
    {
        self.age = age
    }
    
    public func getName() -> String
    {
        return self.name
    }
    
    public func getAge() -> Int
    {
        return self.age
    }
    
}

class Student: Person
{
    
}

var per = Person(name: "张三", age: 20)
print(per.getName())
print(per.getAge())

var stu = Student(name: "学生", age: 14)
print(stu.getName())