1到100之间,就是不包括1和100,不知道你是不是这种意思,代码:import java.util.ArrayList;import java.util.*;import java.util.Random;public class Print { public static void main(String[] args) {ArrayList[I] retor = new ArrayList[I] ();Random r = new Random();
for (int i = 0; i < 20; i++) { retor.add(r.nextInt(98)...
public static void main(String[] args) {Random ran = new Random(new Date().getTime());Vector v = new Vector();for(int i=0;i<20;i++){ v.add(ran.nextInt(100) + 1); ...