Java 中的 HijrahDate hashCode()方法，示例

原文:https://www . geesforgeks . org/hijrahdate-hashcode-method-in-Java-with-example/

类的 hashCode() 方法用于获取特定 hijrah 日期的哈希代码。

语法:

public int hashCode()

参数:该方法不接受任何参数作为参数。

返回值:该方法返回特定回历日期的哈希代码。

下面是举例说明 hashCode() 方法的例子:

例 1:

// Java program to demonstrate
// hashCode() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // HijrahDate Object
            HijrahDate hidate = HijrahDate.now();

            // getting hash code of the date
            // by using hashCode() method
            long tempo = hidate.hashCode();

            // display the result
            System.out.println("hashcode : "
                               + tempo);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}

输出:

hashcode : 2097279521

例 2:

// Java program to demonstrate
// hashCode() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // HijrahDate Object
            HijrahDate hidate
                = HijrahDate.of(1345, 06, 13);

            // getting hash code of the date
            // by using hashCode() method
            long tempo = hidate.hashCode();

            // display the result
            System.out.println("hashcode : "
                               + tempo);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}

输出:

hashcode : 2097607230

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/hijrahdate . html # hashCode–

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