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

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