静态导入方法

package test;


import java.util.*;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.locks.Lock;

import javax.print.attribute.IntegerSyntax;

import org.omg.CosNaming.NamingContextExtPackage.AddressHelper;

import privateclass.*;
import java.io.*;

import static java.util.Collections.sort;//静态导入
import static java.lang.System.out;
public class Main {

	private static final String space_operator = " ";
	public static void main(String[] args) throws Exception {

		Scanner scanner = new Scanner(new BufferedInputStream(System.in));
		//PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
		
		
		/*
		 * 静态导入
		 */
		
		List<Integer> list = new ArrayList<Integer>();
		list.add(1);
		list.add(6);
		list.add(10);
		list.add(8);
		list.add(20);
		
		//静态导入java.util.Collections.sort方法
		sort(list);
		
		//静态导入java.lang.System.out方法至于为什么不导入println因为他不是静态只能用类操作
		out.println(list);
	}
}