Java basics tutorial: polymorphism in Java

From , 3 Years ago, written in Java, viewed 89 times.

public class Employee extends Object
public class Manager extends Employee
public class Contractor extends Employee
public void method(Employee e) {
if (e instanceof Manager) {
//如果雇员是经理,可以做的事情写在这里
}else if (e instanceof Contractor) {
//如果雇员是普通的职员,可以做的事情写在这里
}else {
//说明是临时雇员,可以做的事情写在这里
}
}//源代码片段来自云代码http://yuncode.net
                        

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Java basics tutorial: polymorphism in Java

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