class Mysingleton{ private Mysingleton objsingleton = null; private Mysingleton() { } //single way to get its instance. public Mysingleton getInstance() { if(objsingleton == null) { objsingleton = new Mysingleton(); } return objsingleton; } public Connection dbconnectivity() { //some connectivity code .... }}public class Testclass{ public void callSingleton() { Mysingleton singobj = Mysingleton.getInstance(); singobj.dbconnectivity(); } public static void main(String args[]) { Testclass obj = new Testclass(); obj.callSingleton(); }}

Why the World Needs More Technology Leadership
As a fact, technology has touched every single aspect of our lives. And there are some technology giants in today’s world which have been frequently opined to have a strong influence on recent overall technological influence. Moreover, those tech giants have popular technology leaders leading the companies toward achieving greatness.