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hello-algo/codes/java/chapter_hashing/built_in_hash.java

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/**
* 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("整数 " + num + " 的哈希值为 " + hashNum);
boolean bol = true;
int hashBol = Boolean.hashCode(bol);
System.out.println("布尔量 " + bol + " 的哈希值为 " + hashBol);
double dec = 3.14159;
int hashDec = Double.hashCode(dec);
System.out.println("小数 " + dec + " 的哈希值为 " + hashDec);
String str = "Hello 算法";
int hashStr = str.hashCode();
System.out.println("字符串 " + str + " 的哈希值为 " + hashStr);
Object[] arr = { 12836, "小哈" };
int hashTup = Arrays.hashCode(arr);
System.out.println("数组 " + Arrays.toString(arr) + " 的哈希值为 " + hashTup);
ListNode obj = new ListNode(0);
int hashObj = obj.hashCode();
System.out.println("节点对象 " + obj + " 的哈希值为 " + hashObj);
}
}