src/main/java/org/michailov/async/Logger.java
private static void ensureInitialized() {
        // Quick check.
        if (!_isInitialized) {
            synchronized (SYNC) {
                // Check for sure.
                if (!_isInitialized) {
                    initialize();
                }
            }
        }
    }
/**
     * Ensures the instance/class is initialized.
     * If it is already initialized, does nothing. 
     */
Ensures the instance/class is initialized.
If it is already initialized, does nothing.
Ensures the instance / class is initialized . If it is already initialized does nothing .
private static void ensureInitialized() {
        if (!_isInitialized) {
            synchronized (SYNC) {
                if (!_isInitialized) {
                    initialize();
                }
            }
        }
    }
private static void ensureInitialized ( ) { if ( ! _isInitialized ) { synchronized ( SYNC ) { if ( ! _isInitialized ) { initialize ( ) ; } } } }
Ensures the instance/class is initialized.
Ensures the instance / class is initialized .
// Quick check.
 // Check for sure.
