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Implement The Use if Arrays and Characters in Java Assignment Solution

July 15, 2024
Aaron O'Donnell
Aaron O'Donnell
🇬🇧 United Kingdom
Java
Aaron O'Donnell, with a Ph.D. from the University of Bristol, United Kingdom, brings 18 years of experience as an Eclipse assignment expert.
Key Topics
  • Instructions
  • Requirements and Specifications
Tip of the day
Always manage memory carefully—use malloc and free properly to avoid leaks. Keep your code modular with clear function definitions. Use gdb or printf debugging to trace logic, and watch out for off-by-one errors with arrays and loops.
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Instructions

Objective

Write a JAVA assignment program to implement arrays to solve problems.

Requirements and Specifications

Program to implement arrays in java

Source Code

#include using namespace std; bool check(int v) { return (-20 <= v) && (v <= 50); } void read15Ints(int* arr, int n) { int counter = 0; int val; while(counter < n) { cin >> val; if (check(val)) { arr[counter] = val; counter++; } else { cout << "Input value is out of bounds" << endl; } } } void showAllBySign(int* arr, int n, bool negative) { cout << (negative ? "Negatives:" : "Non-negatives:"); for (int i = 0; i if (arr[i] < 0 && negative || arr[i] >= 0 && !negative) { cout << " " << arr[i]; } } cout << endl; } void showPositiveSum(int* arr, int n) { cout << "Positive sum:"; int sum = 0; for (int i = 0; i if (arr[i] > 0) { sum += arr[i]; } } cout << sum << endl; } void showArray(int* arr, int n) { cout << "Array:"; for (int i = 0; i cout << " " << arr[i]; } cout << endl; } int main() { int arr[15], n = 15; bool isOver = false; read15Ints(arr, n); while (!isOver) { int choice = 0; cout << "Menu:" << endl; cout << "1. Show all negatives" << endl; cout << "2. Show all non-negatives" << endl; cout << "3. Show positive sum" << endl; cout << "4. Show original array" << endl; cout << "5. Exit" << endl; cout << "Your choice: "; cin >> choice; switch(choice) { case 1: showAllBySign(arr, n, true); break; case 2: showAllBySign(arr, n, false); break; case 3: showPositiveSum(arr, n); break; case 4: showArray(arr, n); break; case 5: isOver = true; break; default: cout << "Invalid input" << endl; break; } cout << endl; } cout << "Good Bye" << endl; }

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