import java.util.ArrayList;

import java.util.List;

import java.util.Random;

import java.util.Scanner;

public class Practice1 {

/**

* 从键盘输入一行内容：老王 老赵 老焦 老郑 老吴 老刘 老张 小明

* 定义一个list，把上面输入的一行内容分开并逐个添加到list

* ①　把这8个元素随机分4组(可以存放到4个新的list集合中)，并打印结果。

* ②　设计一个能从分组快速找到小明的方法。

* @param args

*/

public static void main(String[] args) {

Random random = new Random();

List<String> list_names = new ArrayList<String>();

List<String> list_names1 = new ArrayList<String>();

List<String> list_names2 = new ArrayList<String>();

List<String> list_names3 = new ArrayList<String>();

List<String> list_names4 = new ArrayList<String>();

String getString = "";

Scanner console = new Scanner(System.in);

System.out.println("请输入：");

getString = console.nextLine();

String[] arrayNames = getString.split(" ");

for(int i=0;i<arrayNames.length;i++) {

list_names.add(arrayNames[i]);

}

int listLength1 = random.nextInt(8);

int listLength2 = random.nextInt(8-listLength1);

int listLength3 = random.nextInt(8-listLength1-listLength2);

int listLength4 = 8-listLength1-listLength2-listLength3;

int x=0;

int i=0;

while(i<listLength1) {

list_names1.add(list_names.get(x));

i++;

x++;

}

i=0;

while(i<listLength2) {

list_names2.add(list_names.get(x));

i++;

x++;

}

i=0;

while(i<listLength3) {

list_names3.add(list_names.get(x));

i++;

x++;

}

i=0;

while(i<listLength4) {

list_names4.add(list_names.get(x));

i++;

x++;

}

for (String string : list_names1) {

System.out.println("list_names1:"+string);

}

for (String string : list_names2) {

System.out.println("list_names2:"+string);

}

for (String string : list_names3) {

System.out.println("list_names3:"+string);

}

for (String string : list_names4) {

System.out.println("list_names4:"+string);

}

}

}