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public static void main(String[] args) {
Random r = new Random(0);
Integer[] ns = new Integer[25];
for (int i = 0; i < ns.length; i++) {
//随机25次, 每次产生一个[0,10)的数存入ns
ns[i] = r.nextInt(10);
}
String[] ss = new String[ns.length];
for (int i = 0; i < ns.length - 1; i++) {
int n = ns[i];
int m = ns[i + 1];
if (n < m) {
ss[i] = "<";
} else if (n == m) {
ss[i] = "=";
} else {
ss[i] = ">";
}
}
ss[ns.length - 1] = "=";
//[0, 8, 9, 7, 5, 3, 1, 1, 9, 4, 7, 7, 3, 2, 5, 4, 4, 5, 1, 0, 3, 8, 4, 7, 2]
System.out.println(Arrays.asList(ns));
//[<, <, >, >, >, >, =, <, >, <, =, >, >, <, >, =, <, >, >, <, <, >, <, >, =]
System.out.println(Arrays.asList(ss));
}