Java Number Programs (ICSE Classes 9 / 10)
Write a program to input a number and check and print whether it is a Pronic number or not. [Pronic number is the number which is the product of two consecutive integers.]
Examples:
12 = 3 * 4
20 = 4 * 5
42 = 6 * 7
Java
Java Iterative Stmts
ICSE 2018
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Answer
import java.util.Scanner;
public class KboatPronicNumber
{
public void pronicCheck() {
Scanner in = new Scanner(System.in);
System.out.print("Enter the number to check: ");
int num = in.nextInt();
boolean isPronic = false;
for (int i = 1; i <= num - 1; i++) {
if (i * (i + 1) == num) {
isPronic = true;
break;
}
}
if (isPronic)
System.out.println(num + " is a pronic number");
else
System.out.println(num + " is not a pronic number");
}
}
Variable Description Table
Program Explanation
Output
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