public void open ( ) { <BUG> VAR_1 . METHOD_1 ( ) . METHOD_2 ( VAR_2 ) ;</BUG> TYPE_1 . METHOD_3 ( ( STRING_1 + STRING_2 ) ) ; }
public void open ( ) { TYPE_1 . METHOD_3 ( ( STRING_1 + STRING_2 ) ) ; VAR_2 = null ; } 
