Question

Write a class program by using class with the following specifications: Class name: prime

Data members / instant variables : int n

Member functions: prime0 : constructor to initialize

void input (int x) : to assign n with x
void display(): to check and print whether number n is prime or not.
ICSE 10 th board​

Answer 1

Answer:

import java.util.*;

class prime{

int n;

prime(){

n=0;

}

void input(int x){

n=x;

}

void display(){

boolean flag = false;

for(int i = 2; i <= n/2; ++i)

{

if(n % i == 0)

{

flag = true;

break;

}

}

if (!flag)

System.out.println(n + " is a prime number.");

else

System.out.println(n + " is not a prime number");

}

}