lambda表达式--过滤器

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package s0403lambda表达式和过滤器;
 
import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;
 
public class Person {
    private String firstName, lastName, job, gender;  
    private int salary, age;  
       
    public Person(String firstName, String lastName, String job, String gender, int age, int salary)       
    {  
              this.firstName = firstName;  
              this.lastName = lastName;  
              this.gender = gender;  
              this.age = age;  
              this.job = job;  
              this.salary = salary;  
    }  
     
        static List<Person> javaProgrammers = new ArrayList<Person>() {  
          {  
            add(new Person("Elsdon", "Jaycob", "Java programmer", "male", 43, 2000));  
            add(new Person("Tamsen", "Brittany", "Java programmer", "female", 23, 1500));  
            add(new Person("Floyd", "Donny", "Java programmer", "male", 33, 1800));  
            add(new Person("Sindy", "Jonie", "Java programmer", "female", 32, 1600));  
            add(new Person("Vere", "Hervey", "Java programmer", "male", 22, 1200));  
            add(new Person("Maude", "Jaimie", "Java programmer", "female", 27, 1900));  
            add(new Person("Shawn", "Randall", "Java programmer", "male", 30, 2300));  
            add(new Person("Jayden", "Corrina", "Java programmer", "female", 35, 1700));  
            add(new Person("Palmer", "Dene", "Java programmer", "male", 33, 2000));  
            add(new Person("Addison", "Pam", "Java programmer", "female", 34, 1300));  
          }  
        };  
           
        static List<Person> phpProgrammers = new ArrayList<Person>() {  
          {  
            add(new Person("Jarrod", "Pace", "PHP programmer", "male", 34, 1550));  
            add(new Person("Clarette", "Cicely", "PHP programmer", "female", 23, 1200));  
            add(new Person("Victor", "Channing", "PHP programmer", "male", 32, 1600));  
            add(new Person("Tori", "Sheryl", "PHP programmer", "female", 21, 1000));  
            add(new Person("Osborne", "Shad", "PHP programmer", "male", 32, 1100));  
            add(new Person("Rosalind", "Layla", "PHP programmer", "female", 25, 1300));  
            add(new Person("Fraser", "Hewie", "PHP programmer", "male", 36, 1100));  
            add(new Person("Quinn", "Tamara", "PHP programmer", "female", 21, 1000));  
            add(new Person("Alvin", "Lance", "PHP programmer", "male", 38, 1600));  
            add(new Person("Evonne", "Shari", "PHP programmer", "female", 40, 1800));  
          }  
        }; 
 
 
       public static void main(String[] args){
            
             //给程序员加薪 5%  
           Consumer<Person> giveRaise = e -> e.setSalary(e.getSalary() / 100 * 5 + e.getSalary());              
           javaProgrammers.forEach(giveRaise);  
           phpProgrammers.forEach(giveRaise); 
            
           //过滤器,显示月薪超过1400美元的程序员的名字
           javaProgrammers.stream().filter(
                   (p)->p.getSalary()>1400
                   ).forEach( (p)->System.out.println(p.getFirstName()+" "+p.getLastName()+" "+p.getSalary()));
            
         
           //使用limit方法,可以限制结果集的个数:
           System.out.println("使用limit方法,可以限制结果集的个数");
           javaProgrammers.stream()
           .filter((p)->p.getSalary()>1400)
           .limit(3)
           .forEach( (p)->System.out.println(p.getFirstName()+" "+p.getLastName()+" "+p.getSalary()));
            
            
       }
     
        public String getFirstName() {
            return firstName;
        }
 
        public void setFirstName(String firstName) {
            this.firstName = firstName;
        }
 
        public String getLastName() {
            return lastName;
        }
 
        public void setLastName(String lastName) {
            this.lastName = lastName;
        }
 
        public String getJob() {
            return job;
        }
 
        public void setJob(String job) {
            this.job = job;
        }
 
        public String getGender() {
            return gender;
        }
 
        public void setGender(String gender) {
            this.gender = gender;
        }
 
        public int getSalary() {
            return salary;
        }
 
        public void setSalary(int salary) {
            this.salary = salary;
        }
 
        public int getAge() {
            return age;
        }
 
        public void setAge(int age) {
            this.age = age;
        }  
           
         
       
 
}
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