/** * File: built_in_hash.java * Created Time: 2023-06-21 * Author: krahets (krahets@163.com) */ package chapter_hashing; import utils.*; import java.util.*; public class built_in_hash { public static void main(String[] args) { int num = 3; int hashNum = Integer.hashCode(num); System.out.println("整數 " + num + " 的雜湊值為 " + hashNum); boolean bol = true; int hashBol = Boolean.hashCode(bol); System.out.println("布林量 " + bol + " 的雜湊值為 " + hashBol); double dec = 3.14159; int hashDec = Double.hashCode(dec); System.out.println("小數 " + dec + " 的雜湊值為 " + hashDec); String str = "Hello 演算法"; int hashStr = str.hashCode(); System.out.println("字串 " + str + " 的雜湊值為 " + hashStr); Object[] arr = { 12836, "小哈" }; int hashTup = Arrays.hashCode(arr); System.out.println("陣列 " + Arrays.toString(arr) + " 的雜湊值為 " + hashTup); ListNode obj = new ListNode(0); int hashObj = obj.hashCode(); System.out.println("節點物件 " + obj + " 的雜湊值為 " + hashObj); } }