protected synchronized TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { VAR_1 = METHOD_2 ( ) ; } return VAR_1 ; }
protected TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { synchronized ( this ) { if ( ( VAR_1 ) == null ) { VAR_1 = METHOD_2 ( ) ; } } } return VAR_1 ; }