1,518 Answered Questions for the topic computer science

Computer Science Java Computer Programming

04/30/20

Your program must define and call the following function. The function should return true if the input year is a leap year and false otherwise. (Java)
A year in the modern Gregorian Calendar consists of 365 days. In reality, the earth takes longer to rotate around the sun. To account for the difference in time, every 4 years, a leap year takes... more
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Computer Science Java

04/30/20

Need help understanding this method
writeToFilepublic static void writeToFile(double[][] data,java.io.File outputFile)throws java.io.FileNotFoundExceptionWrites the ragged array of doubles into the file. Each row is on a... more
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Computer Science Java

04/30/20

Need Help understanding method

public static double[][] readFile(java.io.File file)throws java.io.FileNotFoundExceptionReads from a file and returns a ragged array of doubles The maximum rows is 10 and the maximum columns... more
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04/29/20

Plz help whats the correct answers for these java questions?(part2) ASAP!!
Q21:float is the type that denotes floating-point numbers that can have fractional parts?a)Trueb)FalesQ22:instance variables that are numbers are initialized to null default value?a)Trueb)FalesQ23:... more
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Computer Science

04/28/20

vdsjlefrz67oR%&$DTC VBUJKG outpg
a) gk2sub) 14576u7igc) k3gfuigi79d) 3y2efi3789i
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Computer Science Computer General Computer C++

04/27/20

Online shopping cart

(1) Create three files to submit: ItemToPurchase.h - Class declaration ItemToPurchase.cpp - Class definition main.cpp - main() function Build the ItemToPurchase class with the following... more
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Computer Science Computer Programming Python

04/24/20

Need Help with this Computer Science questions
consider the following function named "mystery" def mystery (slist): d = {} for w in slist: n = len(w) if n not in d: d[n] = [w] else: ... more
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Computer Science Computer C++ Computer Programming

04/22/20

C++ code on odd and even number using vector

Create 2 Vectors using the For StatementVector 1 = will have ODD numbers from 1 to 99➔vec1 – vector nameVector 2 = will have EVEN numbers from 2 to 100➔vec2 – vector namePrint Vector 1 & 2 from... more
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Computer Science Java Computer Programming

04/21/20

AP Computer Science A
/* This question involves the creation of user names for an online system. A user name is created based on a user’s first and last names. A new user name cannot be a duplicate of a user name... more
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Computer Science Computer General Computer C++

04/17/20

Find the maximum value and minimum value in milesTracker. Assign the maximum value to maxMiles, and the minimum value to minMiles.
Find the maximum value and minimum value in milesTracker. Assign the maximum value to maxMiles, and the minimum value to minMiles. Sample output for the given program: Min miles: -10 Max miles:... more
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Computer Science Computer General Computer C++

04/17/20

Write a loop that subtracts 1 from each element in lowerScores if the original element was greater than 0, and otherwise just assigns the element with 0.
Write a loop that subtracts 1 from each element in lowerScores if the original element was greater than 0, and otherwise just assigns the element with 0. Ex: lowerScores = {5, 0, 2, -3} becomes {4,... more
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Computer Science Computer General Computer C++

04/17/20

Write a program that first gets a list of integers from input.

Write a program that first gets a list of integers from input. The input begins with an integer indicating the number of integers that follow. That list is followed by two more integers... more
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04/15/20

Write the SQL queries
HAPPY INSURANCE Database... more
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Computer Science Science

04/14/20

What is the importance of having all computer scientists understand how websites are built and operate?
Explain the importance of having all computer scientists understand how websites are built and operate. 
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Computer Science Java Computer Programming

04/13/20

Given the interface please code the zip function
INTERFACE import java.util.function.BiFunction; interface NamedBiFunction extends java.util.function.BiFunction //nested interface that extends from java.util.function.BiFunction { ... more
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Computer Science Java Computer Programming

04/13/20

Please implement the following function in Java using a single method chain
This function is called the least element. In this function, the single method chain can return a java.util.Optional<T>. So you must write additional code to convert it to an object of type T... more
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Computer Science Computer General Computer C++

04/12/20

Assign numMatches with the number of elements in userValues that equal matchValue.
Assign numMatches with the number of elements in userValues that equal matchValue. userValues has NUM_VALS elements. Ex: If userValues is {2, 2, 1, 2} and matchValue is 2 , then numMatches should... more
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Computer Science Computer C++ Computer Programming

04/12/20

Write a for loop to populate vector userGuesses with NUM_GUESSES integers.

Write a for loop to populate vector userGuesses with NUM_GUESSES integers. Read integers using cin. Ex: If NUM_GUESSES is 3 and user enters 9 5 2, then userGuesses is {9, 5, 2}.#include... more
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Computer Science Computer General Computer C++

04/12/20

Write a program that reads a list of integers, and outputs the two smallest integers in the list, in ascending order.

Write a program that reads a list of integers, and outputs the two smallest integers in the list, in ascending order. The input begins with an integer indicating the number of integers that... more
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Computer Science Computer General Computer C++

04/12/20

Given a sorted list of integers, output the middle integer. Assume the number of integers is always odd.
Given a sorted list of integers, output the middle integer. Assume the number of integers is always odd.Ex: If the input is: 2 3 4 8 11 -1 (a negative indicates the end), the output is:4The maximum... more
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Computer Science Computer General Computer C++

04/12/20

Write a program that first gets a list of integers from input.
Write a program that first gets a list of integers from input. The input begins with an integer indicating the number of integers that follow. Then, get the last value from the input, which... more
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Computer Science Computer General Computer C++

04/12/20

Output each floating-point value with two digits after the decimal point, which can be achieved by executing cout << fixed << setprecision(2); once before all other cout statements.
Output each floating-point value with two digits after the decimal point, which can be achieved by executingcout << fixed << setprecision(2); once before all other cout statements.(1)... more
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04/11/20

AVL Trees - Java Data Structures & Algorithms
Can someone help with this AVL tree deletion?Delete 7,5,9 from the following AVL tree?AVL tree represented as an array(note that null denotes nodes with no values)9, 5, 12, 3, 6, 11, 14, 2, 4,... more
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Computer Science

04/10/20

A Stock Market Index is a calculation that gives information about a group of stock
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Computer Science

04/09/20

Find the single precision format of -118.375
Need work to explain how to do this
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