list与lambda表达式

package com.gxnu.bigdata.study.datastyle;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import org.junit.Test;

public class  {
	
	public void testList(){
		List<String> list = Arrays.asList("aa","bb","cc","dd","ee");
		for(String l:list){
			System.out.println(l);
		}
		
		System.out.println("----------------------------");
		
		Iterator<String> iterator = list.iterator();
		while(iterator.hasNext()){
			String next = iterator.next();
			System.out.println(next);
		}
			
	}
	
	public void synchronizedMeth(){
		synchronized (this) {
			System.out.println("aaa");
		}
	}
	
	
	
	public void testArrayList(){
		List<String> arrayList = new ArrayList<>(10);
		arrayList.add("aa");
		arrayList.add("bb");
		arrayList.add("cc");
		arrayList.add("dd");
		arrayList.add("zzz");
		arrayList.forEach((a)->{
			System.out.println(a);
		});
		arrayList.forEach(System.out::println);
	}
}