for ( int i =0; i <= n; i++ ) { System.out.println( "The number is " +  i );             if ( i == n )                         i = i – n; } identify the  type of error in the above code and give brief explanation to it

Please help to solve the error in this code

(YOU ARE NOT ALLOWED TO USE ARRAYLIST IN THIS PROJECT)Write a Java program to simulate a blackjack game of cards. The computer will play the role of the dealer. The program will randomly generate the cards dealt to the player and dealer during the game. Cards in this game will be represented by numbers 1 to 13 with Ace being represented by a 1. Remember, that face cards (i.e. Jack, Queen, and King) are worth 10 points to a hand while an Ace can be worth 1 or 11 points depending on the user’s choice. The numbered cards are worth their number value to the hand.

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Explain variable int?

Question Write Java code to do the following: Read from the keyboard an unknown number of values each of which is between 1 and 100. If a number entered is not between 1 and 100 (except for -1 which ends the input) print an error message. When a -1 is read in, stop the loop and print which of the numbers between 1 and 100 were not read in. (Hint: Use a boolean or counter array to keep track)

(b) The Fibonacci numbers for n 0, 1,...are defined as follows. fib (0)-0 fib (1) 1: fib (n) fib (n- 1) + fib (n - 2): Consider the following piece of code that calculates the Fibonacci numbers. int fib ( int n){ if (n is 0) return 0 else if (n is 1) return 1 else return fib (n- 1)+ fib (n- 2) What is the worst-case complexity of the above code?

Problem specification:  There is a grid of NXN squares. We can easily determines how many different rectangles (squares are excluded) there are in the grid. For example, in a 3X3 grid, you can find 22 different rectangles, marked as the green rectangles. You can see that we did not count the red ones as they are squares. In this assignment, you will write a Java program that takes the value   of N as input and determines the total area of all the rectangles in the grid. Assume that the smallest squares in the  grid have length 1. So a 3X2 rectangle will have an area of 6. For example, the total area of all the rectangles in the 3X3  grid is 66.…

Program the following using SageMath Python:Use Sage ) to write a program that williteratively calculate kR for a point R on an elliptic curve E modulo n where k ≥ 2. You’lluse this program in the elliptic curve method problem on this assignment.• Remember that in the elliptic curve method for factorization, we are actively looking fora ZeroDivisionError, so you might want to use “try—catch” in order to catch this errorif it occurs in the calculation.

#include double f(double x) { return 4 * exp(-x); } double trapezoidalRule(double a, double b, int N) { double h = (b - a) / N; double sum = 0.5 * (f(a) + f(b)); for (int i = 1; i < N; i++) { sum += f(a + i * h); } return h * sum; } int main() { double a = 0.0; // lower limit double b = 1.0; // upper limit int N = 5; // number of trapezoids double integral = trapezoidalRule(a, b, N); std::cout << "The estimate of the integral of f(x) = 4e^-x between " << a << " and " << b << " using " << N << " trapezoids is: " << integral << std::endl; return 0; } Please write down the explanation, step by step for this trapezoidal rule program, Emphasize on this part:for (int i = 1; i < N; i++) { sum += f(a + i * h); }