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hashcode() ¸Þ¼­µå

HashCodeMain.java

import java.util.*;
public class HashCodeMain {
  
public static void main(String[] args) {
    System.out.println(
"new Date()  :"+new Date().hashCode());
    System.out.println(
"new Object():"+new Object().hashCode());
    System.out.println(
"new String():"+new String("±è»ñ°«").hashCode());
    System.out.println(
"new Date()  :"+new Date().hashCode());
    System.out.println(
"new Object():"+new Object().hashCode());
    System.out.println(
"new String():"+new String("È«±æµ¿").hashCode());
  }
}

C:\examples\10.Object>javac HashCodeMain.java
C:\examples\10.Object>java HashCodeMain
new Date()  :-1669478021
new Object():2092911
new String():44441972
new Date()  :-1669478021
new Object():2137934
new String():54150062

hash code value´Â °´Ã¼°¡ °¡Áö´Â À¯ÀÏÇÑ °ªÀÔ´Ï´Ù.



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