更新时间:2023-11-13 22:02:58
使用重载Arrays#Sort(T[]一,比较三) 这需要比较的第二个参数。
Use Overloaded Arrays#Sort(T[] a, Comparator c) which takes Comparator as the second argument.
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]);
}
});