package org.keyboardplaying.prime;

/**
 * Some prime-related constants.
 *
 * @author Cyrille Chopelet (http://keyboardplaying.org)
 */
public class Constants {

    /** An iteration step for algorithms optimization. */
    public static final int STEP = 2;

    /** The first prime number (2). */
    public static final int FIRST_PRIME = 2;

    /** The second prime number (3). */
    public static final int NEXT_PRIME = 3;
}

package org.keyboardplaying.prime;

/**
 * Some prime-related constants.
 *
 * @author Cyrille Chopelet (http://keyboardplaying.org)
 */
public final class Constants {

    /** An iteration step for algorithms optimization. */
    public static final int STEP = 2;

    /** The first prime number (2). */
    public static final int FIRST_PRIME = 2;

    /** The second prime number (3). */
    public static final int NEXT_PRIME = 3;

    private Constants() {
    }
}

Remove default constructor from Constants class