public TYPE_1 METHOD_1 ( ) { this . VAR_1 = TYPE_2 . METHOD_2 ( ) ; TYPE_2 . METHOD_3 ( ) ; return VAR_1 ; } 

public TYPE_1 METHOD_1 ( ) { if ( ( this . VAR_1 ) == null ) { this . VAR_1 = TYPE_2 . METHOD_2 ( ) ; } TYPE_2 . METHOD_3 ( ) ; return VAR_1 ; } 
