Java 中的 ZoneOffsetTransition hashCode()方法，示例

原文:https://www . geeksforgeeks . org/zoneoffsettransition-hashcode-method-in-Java-with-example/

Java . time . zone . zoneoffsettransition类的 hashCode() 方法用于获取区域偏移转换对象的哈希代码。

语法:

public int hashCode()

参数:此方法不接受任何参数。

返回值:此方法返回区域偏移转换对象的哈希代码。

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.zone.*;

public class GFG {
    public static void main(String[] argv)
    {

        // creating and initializing
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                1999, 04, 25,
                03, 24, 45, 0);

        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofTotalSeconds(8);

        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(12);

        // creating and initializing
        // ZoneOffsetTransition Object
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);

        // getting the hash code for this object
        // by using hashcode() method
        int hash = zonetrans1.hashCode();

        // display the result
        System.out.println("hashcode : " + hash);
    }
}

输出:

hashcode : 1396559933

例 2:

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

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

public class GFG {
    public static void main(String[] argv)
    {

        // creating and initializing
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                2010, 04, 25,
                03, 56, 45, 0);

        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofTotalSeconds(8);

        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(12);

        // creating and initializing
        // ZoneOffsetTransition Object
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);

        // getting the hash code for this object
        // by using hashcode() method
        int hash = zonetrans1.hashCode();

        // display the result
        System.out.println("hashcode : " + hash);
    }
}

输出:

hashcode : 1539866618

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

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