详细分析JavaLambda表达式

public class Main {
  public static void main(String[] args) {
  //匿名内部类的写法
    new Thread(new Runnable() {
      @Override
      public void run() {
        System.out.println("这是匿名内部类");
      }
    }).start();
    //Lambda表达式
    new Thread(()-> System.out.println("这是Lambda表达式")).start();
  }
}

package Lambda;

public interface Calculator {
  int sum(int a,int b);
}

package Lambda;

import Rubable.RunableImp;

import java.sql.SQLOutput;

public class Main {
  public static void main(String[] args) {
    sum(10,20,((a, b) -> a+b));
  }
  public static void sum(int a,int b,Calculator calculator){
    int sum=calculator.sum(a,b);
    System.out.println("和为："+sum);
  }

}

package Lambda;
import java.util.Arrays;
public class Main {
  public static void main(String[] args) {
  Student[] studentArray={new Student("张三",18),
      new Student("李四",8),
  new Student("王五",55)};
    Arrays.sort(studentArray,(one,two)->one.getAge()-two.getAge());
    for (Student student : studentArray) {
      System.out.println(student);
    }
  }

package Lambda;

public class Student {
  private String name;
  private int age;

  @Override
  public String toString() {
    return "Student{" +
        "name='" + name + '\'' +
        ", age=" + age +
        '}';
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public int getAge() {
    return age;
  }

  public void setAge(int age) {
    this.age = age;
  }

  public Student(String name, int age) {
    this.name = name;
    this.age = age;
  }
}