JAVA面向对象学习——java面向对象概念———实例化2个对象——this使用理解

ゝ一世哀愁。 2023-10-01 13:17 11阅读 0赞

public class Employee
    {
        String name;
        int age;
        String designation;
        double salary;
    
        public Employee(String name)
        {
            this.name = name;
        }
    
        public void empAge(int empAge)
        {
            age =  empAge;
        }
    
        public void empDesignation(String empDesig)
        {
            designation = empDesig;
        }
    
        public void empSalary(double empSalary)
        {
            salary = empSalary;
        }
    
        public void printEmployee()
        {
            System.out.println("名字:"+ name );
            System.out.println("年龄:" + age );
            System.out.println("职位:" + designation );
            System.out.println("薪水:" + salary);
        }
    
        public static void main(String[] args)
        {
    
            Employee empOne = new Employee("RUNOOB1");
            Employee empTwo = new Employee("RUNOOB2");
    
    
            empOne.empAge(26);
            empOne.empDesignation("gao_ji");
            empOne.empSalary(1000);
            empOne.printEmployee();
    
            empTwo.empAge(21);
            empTwo.empDesignation("di_ji");
            empTwo.empSalary(500);
            empTwo.printEmployee();
        }
    
    
    }

名字:RUNOOB1  
年龄:26  
职位:gao\_ji  
薪水:1000.0

名字:RUNOOB2  
年龄:21  
职位:di\_ji  
薪水:500.0

public class Employee
    {
        String name;
        int age;
        String designation;
        double salary;
    
        public Employee(String name,int age)
        {
            this.name = name;
            this.age = age;
        }
    
    
        public void empDesignation(String empDesig)
        {
            designation = empDesig;
        }
    
        public void empSalary(double empSalary)
        {
            salary = empSalary;
        }
    
        public void printEmployee()
        {
            System.out.println("名字:"+ name );
            System.out.println("年龄:" + age );
            System.out.println("职位:" + designation );
            System.out.println("薪水:" + salary);
        }
    
        public static void main(String[] args)
        {
    
            Employee empOne = new Employee("RUNOOB1",25);
            Employee empTwo = new Employee("RUNOOB2",22);
    
    
            empOne.empDesignation("gao_ji");
            empOne.empSalary(1000);
            empOne.printEmployee();
    
            empTwo.empDesignation("di_ji");
            empTwo.empSalary(500);
            empTwo.printEmployee();
        }
    
    
    }

名字:RUNOOB1  
年龄:25  
职位:gao\_ji  
薪水:1000.0

名字:RUNOOB2  
年龄:22  
职位:di\_ji  
薪水:500.0