Java 中的 FieldPosition equals()方法，示例

原文:https://www . geesforgeks . org/field position-equals-method-in-Java-with-example/

java.text.FieldPosition 类的 equals() 方法用于检查两个 FieldPosition 对象是否相同。

语法:

public boolean equals(Object obj)

参数:该方法取 FieldPosition 对象，与当前 FieldPosition 对象进行比较。 返回值:如果两个字段位置对象彼此相等，则返回真，否则返回假。 以下是说明等于()方法的示例: 示例 1:

Java 语言(一种计算机语言，尤用于创建网站)

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

import java.text.*;
import java.util.*;
import java.io.*;

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

            // Creating and initializing
            // new FieldPosition Object
            FieldPosition pos_1
                = new FieldPosition(
                    DateFormat.Field.AM_PM);

            // Creating and initializing
            // new FieldPosition Object
            FieldPosition pos_2
                = new FieldPosition(
                    DateFormat.Field.AM_PM);

            // compare both object
            // using equals() method
            boolean i = pos_1.equals(pos_2);

            // display result
            if (i)
                System.out.println(
                    "pos_1 is equals to pos_2");
            else
                System.out.println(
                    "pos_1 is not equal to pos_2");
        }

        catch (ClassCastException e) {

            System.out.println("Exception thrown : " + e);
        }
    }
}

Output: 

pos_1 is equals to pos_2

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