public void METHOD_1 ( ) throws TYPE_1 , java.io.IOException { VAR_1 . METHOD_1 ( ) ; if ( ( this . VAR_2 ) != null ) { VAR_2 . METHOD_1 ( ) ; } } 

public void METHOD_1 ( ) throws TYPE_1 , java.io.IOException { if ( ( VAR_1 ) != null ) { VAR_1 . METHOD_1 ( ) ; if ( ( this . VAR_2 ) != null ) { VAR_2 . METHOD_1 ( ) ; } } } 
