String access operations.
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- 5.12.2: Switch statement to convert letters to Greek letters. Write a switch statement that checks origLetter. If 'a' or 'A', print "Alpha". If 'b' or 'B', print "Beta". For any other character, print "Unknown". Use fall-through as appropriate. End with newline. import java.util.Scanner; public class ConvertToGreek {public static void main (String [] args) {Scanner scnr = new Scanner(System.in);char origLetter; origLetter = scnr.next().charAt(0); /* Your solution goes here */ }}Write an address book program that stores your contacts' names and their email addresses. The names and email addresses are originally stored in a file called phonebook.in, in the format: Harry Potter t..d@hogwarts.edu Hermione Granger b..h@hogwarts.edu Ron Weasley r..b@hogwarts.edu Draco Malfoy m..s@hogwarts.edu Severus Snape h..e@hogwarts.edu Albus Dumbledore a..x@hogwarts.edu Your program should read from the file, storing the names and corresponding email addresses in a dictionary as key-value pairs. Then, the program should display a menu that lets the user enter the numbers 1 through 5, each corresponding to a different menu item: 1) look up an email address 2) add a new name and email address 3) change an email address 4) delete a name and email address 5) save address book and exit When the user enters 1, the program should prompt them for a name, and then print the corresponding email address. If there is no dictionary entry under that name, the program should print, "Sorry,…7.Upload the C++ source file (permu_combi.cpp),.
- Review the following program: import urllib.request, urllib.parse, urllib.error fhand = urllib.request.urlopen('http://data.pr4e.org/romeo.txt') counts = dict() for line in fhand: words = line.decode().split() for word in words: counts[word] = counts.get(word, 0) + 1 print(counts) 3.1 Provide an explanation for EACH line of the following program. 3.2 Run the above program and include a full window screenshot with system time and date in the answer. 3.3 Run the above program with https://www.py4e.com/code3/romeo-full.txt and include a full window screenshot with system time and date in the answer.Examine the code and write - What is the content of the first 100 characters of text at the end of the program with output? import java.net.MalformedURLException; import java.net.URL;import java.net.URLConnection;import java.io.IOException;import java.util.Scanner;public class Question1 {@SuppressWarnings({ "resource", "unused" })public static void main(String[] args) throws IOException {URLConnection connection = null;try {connection = new URL("http://sun.com").openConnection();} catch (IOException e) {e.printStackTrace();}String text = new Scanner(connection.getInputStream()).useDelimiter("\\Z").next();}}Java 1. Need a list of 30 words, phrases and company names commonly found in phishing messages. Assign point value to each based on your estimate of its likelihood to be in a phishing message (e.g., one point if it's something likely, two points if modereratly, or three points if highly likely). Do an application that scans a file of text for these terms and phrases. For each occurance of a keyword or phrase within the text file, add the assigned point value to the total points for the number of occurences and the point total. Show the point total for the entire message. 3. Do a word file answering these questions:Does your program assign a high point total to some actual phishing e-mails you have received? Does it assign a high point total to some legitimate e-mails you have received?
- #include<iostream>#include<conio.h>#include<dos.h> #include <windows.h>#include <time.h> //#define SCREEN_WIDTH 90//#define SCREEN_HEIGHT 26#define WIN_WIDTH 70 #define T1POS 15#define T2POS 30#define T3POS 45#define DISKS 5 using namespace std; HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);COORD CursorPosition;int towers[3][DISKS];int towerTop[3] = {DISKS-1,-1,-1}; int tries = 0; int score = 0; void gotoxy(int x, int y){CursorPosition.X = x;CursorPosition.Y = y;SetConsoleCursorPosition(console, CursorPosition);}void setcursor(bool visible, DWORD size) {if(size == 0)size = 20; CONSOLE_CURSOR_INFO lpCursor; lpCursor.bVisible = visible;lpCursor.dwSize = size;SetConsoleCursorInfo(console,&lpCursor);}void updateScore(){gotoxy(WIN_WIDTH + 7, 5);cout<<"Tries: "<<tries<<endl;}void instructions(){system("cls");cout<<"Instructions";cout<<"\n----------------";cout<<"\n Shift Disks from Tower 1 to Tower 3. ";cout<<"\n…Python 3.7.4 Store four file objects corresponding to the files winter2003.txt , spring2003.txt, summer2003.txt, and fall2003.txt in the variables winter, spring, summer, and fall (respectively), and open them all for reading.Python 3.7.4 Write a statement that associates d with an empty dictionary.
- task 14.1 in java Follow these steps:● Create a new java file called MyFile.java● Write code to read the content of the text file input.txt. For each line ininput.txt, write a new line in the new text file output.txt that computesthe answer to some operation on a list of numbers.● If the input.txt has the following:Min: 1,2,3,5,6Max: 1,2,3,5,6Avg: 1,2,3,5,6Your program should generate output.txt as follows:The min [1, 2, 3, 5, 6] is 1.The max of [1, 2, 3, 5, 6] is 6.The avg of [1, 2, 3, 5, 6] is 3.4.● Assume that the only operations given in the input file are min, max andavg and that a list of comma-separated integers always follows theoperation. You should define the functions min, max and avg that take ina list of integers and return the min, max or avg of the list.● Your program should handle any combination of operations and anylength of input numbers. You can assume that the list of input numbersare always valid integers and that the list is never empty.● Compile, save and run…from Big Java 6th. Edition. Ch.11 P11.12: the capacitor is represented by the equation v(t) = B(1 - e-t/(RC)) Suppose the parameters of the electric circuit are B = 12 volts, R = 500 Ω, and C = 0.25 μF. Consequently v(t) = 12(1 – e-0.008t) where t has units of μs. Read a file params.txt containing the values for B, R, C, and the starting and ending values for t. Write a file rc.txt of values for the time t and the corresponding capacitor voltage v(t), where t goes from the given starting value to the given ending value in 100 steps. In our example, if t goes from 0 to 1000 μs, the twelfth entry in the output file would be: 110.00 7.02261 Make sure that your program catches the FileNotFoundException that can occur if your input file params.txt cannot be found. Your program should catch this exception, and then prompt the user for a file name again until a valid file is entered. I hbelieve I have everything needed, but I cannot figure out how to write in the…Exercise 2:Write a Java program that allows the user to specify a file name on the command line and prints the number of characters, words, lines, average number of words per line, and average number of characters per word in that file. If the user does not specify any file name, then prompt the user for the name.