24 lines
612 B
Java
24 lines
612 B
Java
import java.util.Scanner;
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public class Ex7 {
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public static void main(String[] args) {
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Scanner input = new Scanner(System.in);
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System.out.print("? ");
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int num = input.nextInt();
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if(isPrime(num))
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System.out.printf("%d is a prime number\n", num);
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else
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System.out.printf("%d is not a prime number\n", num);
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}
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public static boolean isPrime(int num) {
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if(num==2)
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return true;
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for (int i = 2; i < num; i++){
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if (num%i == 0)
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return false;
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}
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return true;
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}
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}
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