Radix Main

Posted on | October 26, 2007 | 1 Comment

Radix Main

array of queues in Java?

For my Java programming project I am supposed to use an array of queues to do a radix sort.

I create an array of Queues with the following line of code:
Queue[] queue = new Queue[10]; //One queue for each digit 0-9

For testing purposes, I try a queue[0].add("190");

When I do a remove and try to print it out, I get this error:
Exception in thread "main" java.lang.NullPointerException

How do I create/use an array of Queues?

You've created an array, but you haven't initialized any of the elements in the array; they're all null by default.

Since Queue is an interface, you'll need to choose an actual implementation of Queue and initialize each element in the array using that class's constructor.

Jamie Robertson Flying Trex 600

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Origin:

Amecican Ginseng is dried root of Panax quinquefolium L. The drug derived from the cultivation, is collected in autumn, washed clean, dried in the sun or lower temperature.
Action and Indications:

Invigorating qi and nourishing yin, clearing heat and promoting the production of body fluid. Deficiency of qi and YIn, inner heat, cough and asthma with blood-finged sputum, restlessness, dry mouth and throat.
Place of production:

It is mainly produced in United States and Canada. American Ginseng from the state of Wisconsin is of high quality.
Recipes of Medicated Diet:

1. American Ginseng and Dwarf Lilyturf Tuber Root Tea

[Ingredients]: 3g American Ginseng, 5g Dwarf Lilyturf Tuber Root

[Preparation]: Put American Ginseng and Dwarf Lilyturf Tuber Root into a tea cup and add boiling water. Administered like tea.

[Effects and Indications]: Clearing heat and promoting the production of body fluid, nourshing yin and benefiting qi.

Deficiency of yin and qi, dry mouth, dizzness and spiritlessness.

2. Soft-Shelled Turtle Steamed with American Ginseng

[Ingredients]: 500g soft-shelled turtle; 10g American Ginseng, Presoaked dried edible fungus, sliced winter mushroom, bamboo shoot, shallot, ginger slice, yellow wine, salt as needed.

[Preparation]: Kill the sofr-shelled turtle by grabing its neck. Cut a cross on its belly and take out gelatinous, yellowish substance, gut cavity and gall bladder. Clean the soft-shelled turtle with boiling water and remove the black membrane on the back. Wash it once again and put into a seamer with belly up. Needle the turtle’s galll bladder. Spread the bile over the turtle. Place the sliced American Ginseng over the calipash. Then place the precaoked dried edible fungus, ham, sliced winter mushroom, bamboo shoot, shallot sections, ginger slice, yellow wine, salt over American Ginseng slice. Steam for one hour, then take out shallot, ginger and shells. Administered at empty stomach when it is hot. Once or twice per week. Take this recipe continuously for 1 to 2 months.

[Effects and Indications]: Nourishing yin and tonifying yang.

Yin and blood deficiency after surgery, menorrhagia, emaciation, night sweating and tidal fever.

About the Author:

Welcome to Jason Chang's blog Chinese food, which is about Chinese recipes, Chinese culture. If you want to understand some information for CHINA, it is a good site.

Article Source: ArticlesBase.com - Radix Panacis Quinquefolii (American Ginseng)

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