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publicclassCompositePatternDemo{ publicstaticvoid main(String[] args){ Employee CEO =newEmployee("John","CEO",30000); Employee headSales =newEmployee("Robert","Head Sales",20000); Employee headMarketing =newEmployee("Michel","Head Marketing",20000); Employee clerk1 =newEmployee("Laura","Marketing",10000); Employee clerk2 =newEmployee("Bob","Marketing",10000); Employee salesExecutive1 =newEmployee("Richard","Sales",10000); Employee salesExecutive2 =newEmployee("Rob","Sales",10000); CEO.add(headSales); CEO.add(headMarketing); headSales.add(salesExecutive1); headSales.add(salesExecutive2); headMarketing.add(clerk1); headMarketing.add(clerk2); //打印该组织的所有员工 System.out.println(CEO); for(Employee headEmployee : CEO.getSubordinates()){ System.out.println(headEmployee); for(Employee employee : headEmployee.getSubordinates()){ System.out.println(employee); } } }}import java.util.ArrayList;import java.util.List; publicclassEmployee{ privateString name; privateString dept; privateint salary; privateList<Employee> subordinates; //构造函数 publicEmployee(String name,String dept,int sal){ this.name = name; this.dept = dept; this.salary = sal; subordinates =newArrayList<Employee>(); } publicvoid add(Employee e){ subordinates.add(e); } publicvoid remove(Employee e){ subordinates.remove(e); } publicList<Employee> getSubordinates(){ return subordinates; } publicString toString(){ return("Employee :[ Name : "+ name +", dept : "+ dept +", salary :" + salary+" ]"); } }标签：
原文地址：http://www.cnblogs.com/Doing-what-I-love/p/5621182.html
