VA函数(参数可变函数)(JAVA的点点点是什么意思)
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2011年8月3日16:04:25
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今天看到一段code
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@Overridefinal protected LotteryResponse doInBackground(Void... params){//code}
问题:这点点点是什么意思?
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解答:
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参看自己的例子
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public class TestVariousArgMethod {public static void main(String arg[]){gen sample = new gen();sample.show("china","america");sample.show("china","america","1","2","3");}}/** sample class with a various arguments method*/class gen{/** main logic method ,put the various arguments to screen*/public void show(String...strings){for(String str:strings){System.out.print(str+"\t");}}}?
参数可变method,使用时会得到params一个数组,so easy!……^^
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