解题过程：第一次接触Python，安装时遇到了许多问题，在网上查阅和浏览博客后，成功安装。
jieba安装教程https://blog.csdn.net/weixin_42013825/article/details/88562413
matplotlib安装教程 https://blog.csdn.net/zzx2016zzx/article/details/83099583?depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1&utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1
即使在教程的帮助下这个也安装了很久，依次在cmd运行python -m pip install -U pip setuptools和python -m pip install matplotlib语句
程序代码：
package come.bean;
import java.io.*;
public class ComeBean {
public static int count(String filename,String target)throws FileNotFoundException,IOException{
FileReader fr=new FileReader(filename);
BufferedReader br=new BufferedReader(fr);
StringBuilder strb=new StringBuilder();
while(true){
String line=br.readLine();
if(line==null){
break;
}
strb.append(line);
}
String result=strb.toString();
int count=0;
int index=0;
while(true){
index=result.indexOf(target,index+1);
if(index>0){
count++;
}
else{
break;
}
}
br.close();
return count;
}
/**
* @param args the command line arguments
*/
public static void main(String[] args)throws FileNotFoundException,IOException {
// TODO code application logic here
String a="C:/Users/王雪婷/Desktop/软件工程/红楼梦.txt";
水浒传代码：
package javaapplication10;
import java.io.*;
public class JavaApplication10 {
public static int count(String filename,String target)throws FileNotFoundException,IOException{
FileReader fr=new FileReader(filename);
BufferedReader br=new BufferedReader(fr);
StringBuilder strb=new StringBuilder();
while(true){
String line=br.readLine();
if(line==null){
break;
}
strb.append(line);
}
String result=strb.toString();
int count=0;
int index=0;
while(true){
index=result.indexOf(target,index+1);
if(index>0){
count++;
}
else{
break;
}
}
br.close();
return count;
}
/**
* @param args the command line arguments
*/
public static void main(String[] args)throws FileNotFoundException,IOException {
// TODO code application logic here
String a="C:/Users/Desktop/软件工程/