使用Overloaded Arrays＃Sort（T [] a，Comparator c），它将Comparator作为第二个参数。@H_419_5@
double[][] array= {
{1, 5},
{13, 1.55},
{12, 100.6},
{12.1, .85} };
java.util.Arrays.sort(array, new java.util.Comparator<double[]>() {
public int compare(double[] a, double[] b) {
return Double.compare(a[0], b[0]);
}
});
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