What is an efficient way to implement a singleton pattern in Java? [closed]

What is an efficient way to implement a singleton pattern in Java? [closed]

java singleton design-patterns

java

Singletons vs. Application Context in Android?

java android design-patterns singleton

java

Implementing Singleton with an Enum (in Java)

java design-patterns enums singleton

java

Singleton with Arguments in Java

java oop singleton anti-patterns

java

Java serialization: readObject() vs. readResolve()

java serialization singleton

java

Java Singleton and Synchronization

java multithreading synchronization singleton

java

What's Alternative to Singleton

java design-patterns singleton

java

Why use a singleton instead of static methods?

java design-patterns singleton

java

Singleton design pattern vs Singleton beans in Spring container

java spring singleton containers

java

What is the best approach for using an Enum as a singleton in Java?

java singleton

java

Why is volatile used in double checked locking

java design-patterns locking singleton double-checked-locking

java

Using Singleton design pattern for SQLiteDatabase

java android sqlite singleton android-loadermanager

java

Thread Safe singleton class

java multithreading singleton

java

Android: Cannot perform this operation because the connection pool has been closed

java android database sqlite singleton

java

Is spring default scope singleton or not?

java spring dependency-injection singleton spring-ioc

java