Anonymous Class in Java – Definition, Syntax, and Example
Singleton Class in Java – Definition, Syntax, and Example Singleton Class in Java – Definition, Syntax, and Example Definition: A Singleton Class in Java is a design pattern that ensures only one instance of the class exists in the JVM. It provides a global point of access to that instance. Key Points: Only one instance is created during the entire lifecycle. Private constructor to prevent external instantiation. Static method to provide access to the single instance. Syntax Example: public class Singleton { private static Singleton instance; private Singleton() { // private constructor } public static Singleton getInstance() { if (instance == null) { instance = new Singleton(); } return instance; } } public class Main { public static void main(String[] args) { Singleton obj1 = Singleton.getInstance(); Singleton obj2 = Singleton.getInstance(); System.out....