Question

What will be the output of the following code segment :
int y[ ] = {12, 14,5,3,7};
int q=y.length, p=0;
for(int j=0; j<q; j++){
p=y[j]+y[ 4-j];
System.out.print(p+
}
");​

Answer 1

$\huge\mathbb\blue{\underline {\underline{Answer}}}$

import java.util.Scanner;

public class FiftyPrimes

{

// Return true if a number n is prime

public static boolean isPrime(long n)

{

// Check division from 2 to sqrt(n)

for (long i = 2; i <= Math.sqrt(n); i++)

{

if (n % i == 0)

{

return false;

}

}

// If no division is found, number is prime

return true;

}

public static void main(String[] args)

{

// Create Scanner object

Scanner sc = new Scanner(System.in);

// Take user input

System.out.print("Enter the starting point: ");

long start = sc.nextInt();

// Close Scanner object

sc.close();

// If start point is less than 2, make it 2

if (start < 2)

{

start = 2;

}

int numberOfPrimes = 0; // Number of primes printed

long number = start; // Number to be tested for prime

// Iterate until 50 primes are printed

while (numberOfPrimes < 50)

{

if (isPrime(number))

{

System.out.println(number);

numberOfPrimes++;

}

number++;

}

}

}

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