代码示例：
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import java.util.ArrayList;import java.util.Collections;import java.util.List;public class TestCollections { public
static void main(String args[]) { //注意List是实现Collection接口的 List list = new
ArrayList(); double
array[] = { 112, 111, 23, 456, 231
}; for
(int i = 0; i < array.length; i++) { list.add(new
Double(array[i])); } Collections.sort(list); for
(int i = 0; i < array.length; i++) { System.out.println(list.get(i)); } // 结果：23.0 111.0 112.0 231.0 456.0 }} |
Java中Collection和Collections的区别,布布扣,bubuko.com
Java中Collection和Collections的区别
原文：http://www.cnblogs.com/dashi/p/3597937.html