NoInstanceObj.java

package com.someOrg.AccessModifiers.school;
 
public class NoInstanceObj {
    // By making the constructor private we have made sure that no one
    // can create an instance of this object.
 
    // This is useful in utility classes / functions where you don't want
    // any instances of the object to be created.
    private NoInstanceObj() {}
 
    public static int add(int a, int b) {
        return a + b;
    }
 
    public static void sound() {
        System.out.println("Some sound ...");
    }
}