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HashMap map = new HashMap(); map.put("0201", "0201"); map.put("01", "01"); map.put("0304", "0304"); map.put("0101", "0101"); Obj...
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posted @ 2007-07-04 11:19
kenty
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二维数组排序实例: import java.util.*; public class TwoDimArrayTest { public static void main(String[] args) { String[][] arr = {{"B","Z","K"}, {"C","X","L"}, {"A","Y","M"}} ; //缺省(按0列升序) Arrays.sort(arr, new ...
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posted @ 2007-07-04 10:46
kenty
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java中的数组与集合的排序 两种需要排序的对象:数组和集合 1、集合 java.util.Collections类提供了排序方法sort(); static void sort(List list) Sorts the specified list into ascending order, ac...
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posted @ 2007-07-04 10:07
kenty
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