*7.1 (Assign grades) Write a program that reads student scores, gets the best score, and then assigns grades based on the following scheme: Grade is A if score is 2 best - 10 Grade is B if score is 2 best - 20; Grade is C if score is z best – 30; Grade is D if score is 2 best – 40; Grade is F otherwise. The program prompts the user to enter the total number of students, then prompts the user to enter all of the scores, and concludes by displaying the grades. Here is a sample run: Enter the number of students: 4 Enter Enter 4 scores: 40 55 70 58 -Enter Student 0 score is 40 and grade is C Student 1 score is 55 and grade is B Student 2 score is 70 and grade is A Student 3 score is 58 and grade is B

*7.1 (Assign grades) Write a program that reads student scores, gets the best score, and then assigns grades based on the following scheme: Grade is A if score is 2 best - 10 Grade is B if score is 2 best - 20; Grade is C if score is z best – 30; Grade is D if score is 2 best – 40; Grade is F otherwise. The program prompts the user to enter the total number of students, then prompts the user to enter all of the scores, and concludes by displaying the grades. Here is a sample run: Enter the number of students: 4 Enter Enter 4 scores: 40 55 70 58 -Enter Student 0 score is 40 and grade is C Student 1 score is 55 and grade is B Student 2 score is 70 and grade is A Student 3 score is 58 and grade is B

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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7.11 LAB: Contains the character Write a program that reads a character, then reads in a list of words. The output of the program is every word in the list that contains the character at least once. Assume at least one word in the list will contain the given character. Ex: If the input is: z hello zoo sleep drizzle the output is: zoo drizzle Keep in mind that the character 'a' is not equal to the character 'A'. Use Python, please.
4.27 LAB: Palindrome (JAVA) A palindrome is a word or a phrase that is the same when read both forward and backward. Examples are: "bob," "sees," or "never odd or even" (ignoring spaces). Write a program in java whose input is a word or phrase, and that outputs whether the input is a palindrome. Ex: If the input is: bob the output is: palindrome: bob Ex: If the input is: bobby the output is: not a palindrome: bobby Hint: Start by just handling single-word input, and submit for grading. Once passing single-word test cases, extend the program to handle phrases. If the input is a phrase, remove or ignore spaces. Code starts here: import java.util.Scanner; public class LabProgram { public static void main(String[] args) { /* Type your code here. */ }}
10.10 LAB: Quadratic formula Implement the quadratic_formula() function. The function takes 3 arguments, a, b, and c, and computes the two results of the quadratic formula: 2 -3-77 the output is: Solutions to 2x^2 + −3x + −77 = 0 x1 = 7 x2 = The quadratic_formula() function returns the tuple (x1, x2). Ex: When a 1, b = -5, and c = 6, quadratic_formula() returns (3, 2). Code provided in main.py reads a single input line containing values for a, b, and c, separated by spaces. Each input is converted to a float and passed to the quadratic_formula() function. Ex: If the input is: -5.50 x1 = 487180.3542414.qx3zqy7 x2 = −6+ √b² 2a 4ac -b- √b² - 4ac 2a
4.18 LAB: Exact change Write a program with total change amount as an integer input, and output the change using the fewest coins, one coin type per line. The coin types are Dollars, Quarters, Dimes, Nickels, and Pennies. Use singular and plural coin names as appropriate, like 1 Penny vs. 2 Pennies. Ex: If the input is: 0 (or less than 0), the output is: No change Ex: If the input is: 45 the output is: 1 Quarter 2 Dimes Python for this please.
21.7 LAB: Login name (Use python) Write a program that creates a login name for a user, given the user's first name, last name, and a four-digit integer as input. Output the login name, which is made up of the first five letters of the last name, followed by the first letter of the first name, and then the last two digits of the number (use the % operator). If the last name has less than five letters, then use all letters of the last name. Ex: If the input is: Michael Jordan 1991 the output is: Your login name: JordaM91 Ex: If the input is: Kanye West 2024 the output is: Your login name: WestK24
4.21 Extend previous LAB (Maximum and minimum) Extend the previous program to indicate which number in the sequence was the minimum/maximum. Ex: If the input is: 6 5 -3 21 2 -6 0 the output is: -6 (number: 5) and 21 (number: 3) Note that in the sequence of 6 numbers provided, -6 is the 5th number and 21 is the 3rd number.
6.40 (Binary to Octal) Write a function that returns an octal number from a binary number. The function header is as follows: int bin20ctal(const string& binaryString) Write a test program that prompts the user to enter a binary number as a string and displays the corresponding octal value as a string.
5.25 LAB: Longest string (EO) Write a method, findLongest(), that takes two strings as parameters and returns the longest string. If the strings are the same length then return the second string. Ex. If the input is: almond pistachio the method findLongest() returns and then the program outputs: pistachio Your program must define the following method:public String findLongest(String str1, String str2) import java.util.Scanner; public class LongestString {public String findLongest(String str1, String str2) {/* Type your code here. */} public static void main(String[] args) {LongestString mainObject = new LongestString();Scanner scnr = new Scanner(System.in);String str1;String str2;String longest;str1 = scnr.next();str2 = scnr.next();longest = mainObject.findLongest(str1, str2);System.out.println(longest);}}
4.18 LAB: Exact change Write a program with total change amount as an integer input, and output the change using the fewest coins, one coin type per line. The coin types are Dollars, Quarters, Dimes, Nickels, and Pennies. Use singular and plural coin names as appropriate, like 1 Penny vs. 2 Pennies. Ex: If the input is: 0 (or less than 0), the output is: No change Ex: If the input is: 45 the output is: 1 Quarter 2 Dimes
%१৭ |h solve by Java **12.27 (Replace words) Suppose you have a lot of files in a directory that contain words Exercisei j, where i and j are digits. Write a program that pads a 0 before i if i is a single digit and 0 before j if jis a single digit. For example, the word Exercise2_ in a file will be replaced by Exercise02_01. In Java, when you pass the symbol from the command line, it refers to all files in the direc- tory (see Supplement III.V). Use the following command to run your program: java Exercise12_27 Soe e مشاركة التمرير التقاط 国

***Needs to be written in Java and must have two classes***