public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 != null ) { throw new TYPE_2 ( STRING_1 ) ; } this . VAR_1 = VAR_1 ; } 

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( this . VAR_1 ) != null ) { throw new TYPE_2 ( STRING_1 ) ; } this . VAR_1 = VAR_1 ; } 
