JAVA

java check if number is even

if (number % 2 == 0) {
  // even number
} else {
  // odd number
}

check if number is odd java

if (num % 2 == 0)
{
	// even number
}
else
{
	// odd number
}

odd number in java

import java.util.Scanner;

public class Exam{
	public static void main(String[] args){
    
		Scanner scan = new Scanner(System.in);
        System.out.println("Enter number");
		int input = scan.nextInt();
		if(input % 2 != 0){
        	System.out.println(input + " is odd");
	      }
		else
			System.out.println(input + " is even");
	}
}	

odd numbers in Java

n = 10;
for (int i=0; i<=10; i++){
  System.out.println(2*n+1);
}