Java中的十进制样式等于()方法，示例

public boolean equals(Object obj)


// Java program to demonstrate
// the above method
import java.time.format.*;
import java.util.*;
public class DecimalStyleDemo {
    public static void main(String[] args)
    {
        DecimalStyle ds1
            = DecimalStyle.STANDARD;
        DecimalStyle ds2
            = DecimalStyle.of(
                new Locale("ENGLISH"));
        DecimalStyle ds3 = null;
        System.out.println("Comparing DS 1 and DS 2: "
                           + ds1.equals(ds2));
        System.out.println("Comparing DS 2 and DS 3: "
                           + ds2.equals(ds3));
        System.out.println("Comparing DS 1 and DS 3: "
                           + ds1.equals(ds3));
    }
}


Comparing DS 1 and DS 2: true
Comparing DS 2 and DS 3: false
Comparing DS 1 and DS 3: false