转眼见,忘记了好多人....
写个程序记录用
写个程序记录用
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Collections;
public class Test{
public static void main(String[] args) {
try {
HashMap<String,List<String>> hashMap = new HashMap<String,List<String>>();
BufferedReader br = new BufferedReader(new FileReader(new File("c:\\md.txt")));
String readLine = br.readLine();
String[] str;
while (!"end".equals(readLine)) {
str = readLine.split(" ");
if (str.length >= 2) {
List<String> list = new ArrayList<String>();
String key = str[0];
if (!hashMap.containsKey(key)) {
for(int i = 1 ; i < str.length ; i ++) {
if(!"".equals(str[i]))
list.add(str[i]);
}
hashMap.put(key, list);
} else {
for(int i = 1 ; i < str.length ; i ++) {
if(!"".equals(str[i]))
hashMap.get(key).add(str[i]);
}
}
}
readLine = br.readLine();
}
showName("北京",hashMap);
showName("广州保险二期",hashMap);
showName("广州华智",hashMap);
showName("大学",hashMap);
showName("高中",hashMap);
showName("初中",hashMap);
showName("小学",hashMap);
System.out.println("\t总共"+sum+"人");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
public static int sum;
public static void showName(String key ,HashMap<String,List<String>> hashMap) {
System.out.println("\t--> "+key);
List list= hashMap.get(key);
int total = 0;
for (int i = 0 ; i < list.size(); i++) {
System.out.print("\t"+list.get(i)+" ");
total++;
if ((i+1)%8 == 0){
System.out.println();
}
}
System.out.println("\t"+total+"人\n");
sum += total;
}
}