public double [ ] METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { throw new TYPE_1 ( STRING_1 ) ; } return VAR_1 . METHOD_2 ( ) ; } 

public double [ ] METHOD_1 ( ) { if ( ( this . VAR_1 ) == null ) { throw new TYPE_1 ( STRING_1 ) ; } return this . VAR_1 . METHOD_2 ( ) ; } 
