public void METHOD_1 ( TYPE_1 item ) { if ( ( VAR_1 ) == null ) throw new TYPE_2 ( ) ; TYPE_3 < TYPE_1 > . TYPE_4 node = new TYPE_4 ( ) ; node . item = item ; VAR_2 = null ; if ( ( ( VAR_3 ) == null ) && ( ( VAR_4 ) == null ) ) VAR_3 = VAR_4 = node ; else { VAR_5 = node ; VAR_4 = VAR_5 ; } }

public void METHOD_1 ( TYPE_1 item ) { if ( item == null ) throw new TYPE_2 ( ) ; TYPE_3 < TYPE_1 > . TYPE_4 node = new TYPE_4 ( ) ; node . item = item ; VAR_2 = null ; if ( ( ( VAR_3 ) == null ) && ( ( VAR_4 ) == null ) ) VAR_3 = VAR_4 = node ; else { VAR_5 = node ; VAR_4 = VAR_5 ; } ( size ) ++ ; }
