import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.text.DecimalFormat;
public class Test1 {
int j=0;
int ci=0;
double sum=0;
double a1;
static char zimu[] = new char[26];//存储字母‘a-z’
static char shu[] = new char[2000];//存储单个字母内容
double count[]=new double[26];
public static void main(String[] args) {
Test1 t1=new Test1();
t1.test("D:\\Test\\a.txt");
t1.display();
}
public void test(String pathname) {
Test1 t1=new Test1();
try {
File filename=new File(pathname);
InputStreamReader reader=new InputStreamReader(new FileInputStream(filename));
BufferedReader br=new BufferedReader(reader);
String line[]=new String[100];;
for(int i=0;i<line.length;i++)
{
line[i]=br.readLine();
}
br.close();
int k=0;
while(line[k]!=null)
{
for(int i=0;i<line[k].length();i++)
{
shu[j]=line[k].charAt(i);
j++;
}
k++;
}
/*初始化字母数组*/
t1.reLetter();
/*依次判断字母并计数*/
for(int i=0;i<shu.length;i++)
{
switch(shu[i]) {
case 'a'|'A':count[0]++;break;
case 'b'|'B':count[1]++;break;
case 'c'|'C':count[2]++;break;
case 'd'|'D':count[3]++;break;
case 'e'|'E':count[4]++;break;
case 'f'|'F':count[5]++;break;
case 'g'|'G':count[6]++;break;
case 'h'|'H':count[7]++;break;
case 'i'|'I':count[8]++;break;
case 'j'|'J':count[9]++;break;
case 'k'|'K':count[10]++;break;
case 'l'|'L':count[11]++;break;
case 'm'|'M':count[12]++;break;
case 'n'|'N':count[13]++;break;
case 'o'|'O':count[14]++;break;
case 'p'|'P':count[15]++;break;
case 'q'|'Q':count[16]++;break;
case 'r'|'R':count[17]++;break;
case 's'|'S':count[18]++;break;
case 't'|'T':count[19]++;break;
case 'u'|'U':count[20]++;break;
case 'v'|'V':count[21]++;break;
case 'w'|'W':count[22]++;break;
case 'x'|'X':count[23]++;break;
case 'y'|'Y':count[24]++;break;
case 'z'|'Z':count[25]++;break;
}
}
}catch (Exception e)
{
e.printStackTrace();
}
}
public void display() {
DecimalFormat df = new DecimalFormat("0.00");
System.out.println("短文中各字母出现情况统计如下：");
/*求字母总数*/
for(int i=0;i<26;i++)
{
sum+=count[i];
}
/*比较出现频率大小排序、冒泡法、相同频率按字母先后顺序排序*/
for(int x=0;x<26-1;x++)
{
for (int y=x+1;y<26;y++)
{
if (count[x]>count[y])
{
double temp=count[x];
count[x]=count[y];
count[y]=temp;
char temp1=zimu[x];
zimu[x]=zimu[y];
zimu[y]=temp1;
}
}
}
/*循环显示字母出现频率*/
for(int i=0;i<=25;i++)
{
ci++;
a1=count[i]/sum*100;
System.out.println(ci+".字母"+zimu[i]+"的出现频率是:"+df.format(a1)+"%");
}
/*显示字母总数*/
System.out.println("共有"+(int)sum+"个字母");
}
/*初始化字母数组*/
public void reLetter()
{
for(int i=0;i<26;i++)
{
zimu[0]='a';
zimu[1]='b';
zimu[2]='c';
zimu[3]='d';
zimu[4]='e';
zimu[5]='f';
zimu[6]='g';
zimu[7]='h';
zimu[8]='i';
zimu[9]='j';
zimu[10]='k';
zimu[11]='l';
zimu[12]='m';
zimu[13]='n';
zimu[14]='o';
zimu[15]='p';
zimu[16]='q';
zimu[17]='r';
zimu[18]='s';
zimu[19]='t';
zimu[20]='u';
zimu[21]='v';
zimu[22]='w';
zimu[23]='x';
zimu[24]='y';
zimu[25]='z';
}
}
}
import class_third_copy.Test1;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
public class Test2 extends Test1{
static String wd="";
static String le[]=new String[1000];
static String wd2[]=new String[1000];
static String wd3[]=new String[1000];
static String wd4[]=new String[1000];
public static void main(String[] args) {
Test2 t2=new Test2();
//t1.test("D:\\Test\\a.txt");
//t1.display();
//t2.test2();
t2.test3("D:\\Test\\input1.txt");
/* 法一 利用缓冲流写入String
// BufferedWriter bw=new BufferedWriter(new FileWriter("D:\\Test\\input1.txt"));
// bw.write(new String));//或者bw.append(new String(buf));
// bw.newLine();//写入一个换行符，根据需要
// bw.flush();
// bw.close();
*/ /*法二 使用PrintWriter的print()系列方法*/
// PrintWriter pw = null;
// try {
// pw = new PrintWriter(new BufferedWriter(new FileWriter("D:\\Test\\output1.txt")));
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// pw.print(wd4);
// pw.close();
}
/*提取出单词*/
public void test2(String path) {
Test1 t1=new Test1();
int count1=0;
try {
t1.test(path);
for(int i=0;i<Test1.shu.length;i++)
{
if((Test1.shu[i]>='a'&&Test1.shu[i]<='z')||(Test1.shu[i]>='A'&&Test1.shu[i]<='Z'))
{
wd+=Test1.shu[i];
continue;
}else {
wd2[count1]=wd;
wd="";
if(wd2[count1]!=""||wd2[count1]!=null) {
count1++;
}
}
}
for(int i=0;i<count1;i++) {
}
}catch(Exception e) {
e.printStackTrace();
}
}
/*去掉重复的单词*/
public void test3(String path) {
Test1 t1=new Test1();
int count1=0;
try {
t1.test(path);
for(int i=0;i<Test1.shu.length;i++)
{
if((Test1.shu[i]>='a'&&Test1.shu[i]<='z')||(Test1.shu[i]>='A'&&Test1.shu[i]<='Z'))
{
wd+=Test1.shu[i];
continue;
}else if(wd.length()!=1){
wd2[count1]=wd;
wd="";
if(wd2[count1]!=""||wd2[count1]==null) {
count1++;
}
}else {
wd="";
}
}
/* int count2=0;
for(int i=0;i<count1;i++) {
for(int j=0;j<count1;j++) {
if(j!=i) {
if(wd2[i].equals(wd2[j])==true) {
break;
}
}
if(j==count1-1)
{
wd3[count2]=wd2[i];
System.out.println(wd2[i]);
System.out.println(wd3[count2]);
count2++;
}
}
}
for(int i=0;i<count1;i++) {
for(int j=0;j<count1;j++) {
if(j!=i) {
if(wd2[i].equals(wd2[j])==true) {
wd3[count2]=wd2[i];
count2++;
break;
}
}
}
}
*/
for(int i=0;i<count1;i++) {
System.out.println(wd2[i]);
}
int num1=1;
String str=wd2[0];
wd4[0]=str;
for(int i=1;i<count1;i++) {
char c=str.charAt(str.length()-1);
if(c>='A' && c<='Z'){
c+=32;
}
String str1= String.valueOf(c);
System.out.println();
for(int j=i+1;j<count1;j++) {
char d=wd2[j].charAt(0);
if(d>='A' && d<='Z'){
d+=32;
}
String str2= String.valueOf(d);
if(str1.equals(str2)) {
str=wd2[j];
wd4[num1]=wd2[j];
num1++;
break;
}
}
}
for(int i=0;i<num1;i++) {
System.out.println(wd4[i]);
}
/*int message_a=0;
int num_3=1;
wd3[0]=wd2[0];
for(int i=0;i<count1;i++) {
System.out.println(num_3);
for(int j=i+1;j<num_3;j++) {
if(wd2[i].equals(wd3[j])==true) {
break;
}
if(j==num_3-1) {
message_a=1;
}
}
if(message_a==1) {
message_a=0;
wd3[num_3+1]=wd2[i];
num_3++;
}
}
for(int i=0;i<num_3;i++) {
System.out.println(wd3[4]);
}*/
}catch(Exception e) {
e.printStackTrace();
}
}
}
