public void METHOD_1 ( TYPE_1 VAR_1 ) { <BUG> if ( VAR_1 == null ) {</BUG> this . VAR_2 = VAR_1 ; } else { throw new TYPE_2 ( ) ; } }
public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( this . VAR_2 ) == null ) { this . VAR_2 = VAR_1 ; } else { throw new TYPE_2 ( ) ; } } 
