public class Bean { private char name; private double pinlv; public Bean(char name,double pl) { this.name=name; this.pinlv=pl; } public char getName() { return name; } public void setName(char name) { this.name = name; } public double getPinlv() { return pinlv; } public void setPinlv(double pinlv) { this.pinlv = pinlv; } }
import java.awt.List; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStreamReader; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.Comparator; import java.util.HashMap; import java.util.Map; import org.w3c.dom.ls.LSInput; public class zero { static int sum=0; private static DecimalFormat decimalFormat; public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("F:\eclipse\统计txt文档中的单词个数\src\统计txt文档中的单词个数\c.txt"))); int[] count = new int[26]; int[] COUNT = new int[26]; decimalFormat = new DecimalFormat(".00"); char[] c = new char[1]; int len = br.read(c); while(len!=-1) { if(c[0]<='Z'&&c[0]>='A') { int number = c[0]; COUNT[number-65]++; } if(c[0]<='z'&&c[0]>='a') { int number = c[0]; count[number-97]++; } len = br.read(c); } Sum(count, COUNT); Print(count, COUNT); System.out.print(" c.txt文件读取完毕!"); br.close(); char[] c1=new char[52]; double []b=new double[52]; for(int x=0;x<print_doublelist(count).length;x++) { b[x]=print_doublelist(count)[x]; } for(int y=0;y<print_doublelist2(COUNT).length;y++) { b[y+print_doublelist(count).length]=print_doublelist2(COUNT)[y]; } for(int i=0;i<52;i++) { if(i<26) c1[i]=(char)(i+97); else c[i]=(char)(i+26); } Map<Character, Double> map = new HashMap<Character, Double>(); ArrayList<Map.Entry<Character, Double>> list = new ArrayList<>(); for(int i=0;i<52;i++) { map.put(c1[i], b[i]); } for(Map.Entry<Character, Double> entry : map.entrySet()){ list.add(entry); } list.sort(new Comparator<Map.Entry<Character, Double>>(){ @Override public int compare(Map.Entry<Character, Double> o1, Map.Entry<Character, Double> o2) { return (int) (o2.getValue()-o1.getValue());} }); for(Map.Entry<Character, Double> entry: list){ System.out.println(entry); }} public static void Print(int[] count,int[] COUNT) { for(int i=0;i<26;i++) { if(count[i]>0) { char lowerCase = (char)(i+97); System.out.println(lowerCase+"的频率为:"+decimalFormat.format((float)count[i]/sum)); } if(COUNT[i]>0) { char upperCase = (char)(i+65); System.out.println(upperCase+"的频率为:"+decimalFormat.format((float)COUNT[i]/sum)); } } } public static void Sum(int[] count,int[] COUNT ) { for(int i=0;i<26;i++) { sum+=count[i]+COUNT[i]; } System.out.println("和为"+sum); } public static double[] print_doublelist(int[] count) { double a[]=new double[26]; for(int i=0;i<26;i++) { a[i]=count[i]/sum; } return a; } public static double[] print_doublelist2(int[] COUNT) { double a[]=new double[26]; for(int i=0;i<26;i++) { a[i]=COUNT[i]/sum; } return a; } }