一个简单实例

package quickstart;

import java.io.File;
import java.util.Arrays;

/**
 * Created by fb on 16/3/19.
 */
public class LamabdaDemo {
    public static void main(String [] args) {
        lambdaDemo();
    }

    public static void lambdaDemo() {
        File cwd = new File(System.getProperty("user.dir"));
        Arrays.stream(cwd.listFiles()).
                map(f -> f.getName()).
                forEach(System.out::println);
    }
}