public void METHOD_1 ( TYPE_1 item ) { if ( item == null ) { throw new java.lang.NullPointerException ( ) ; } TYPE_2 < TYPE_1 > . TYPE_3 VAR_1 = first ; if ( ( size ) == 0 ) { VAR_2 = first ; } first = new TYPE_3 ( item ) ; VAR_3 = VAR_1 ; VAR_4 = first ; ( size ) ++ ; }

public void METHOD_1 ( TYPE_1 item ) { if ( item == null ) { throw new java.lang.NullPointerException ( ) ; } TYPE_2 < TYPE_1 > . TYPE_3 VAR_1 = first ; first = new TYPE_3 ( item ) ; if ( ( size ) == 0 ) { VAR_2 = first ; } VAR_3 = VAR_1 ; if ( VAR_1 != null ) { VAR_4 = first ; } ( size ) ++ ; }
