带示例的 Java 中的 offsettimecomparteto()方法
原文:https://www . geeksforgeeks . org/offsettime-compare to-method-in-Java-with-examples/
Java 中 OffsetTime 类的 compareTo() 方法将这个时间与另一个时间进行比较,如果它们相等,则返回零,或者根据比较结果返回正整数或负整数。
语法:
public int compareTo(OffsetTime other)
参数:该方法接受单个强制参数其他,指定要比较的其他时间。
返回值:返回比较器值。如果另一个日期小于,它将返回一个负的值;如果大于,它将返回一个正的值。
异常:如果传递的另一个日期为空,函数抛出空指针异常。
下面的程序说明了比较()的方法:
程序 1 :
// Java program to demonstrate the compareTo() method
import java.time.OffsetTime;
public class GFG {
public static void main(String[] args)
{
// Parses the time
OffsetTime time1
= OffsetTime.parse("15:30:30+07:00");
// Parses the time
OffsetTime time2
= OffsetTime.parse("15:30:30+07:00");
// gets the offset time1
System.out.println("time1: "
+ time1);
// gets the offset time2
System.out.println("time1: "
+ time2);
System.out.println("time1 when compared"
+ " to time2 returns: "
+ time1.compareTo(time2));
}
}
输出:
time1: 15:30:30+07:00
time1: 15:30:30+07:00
time1 when compared to time2 returns: 0
程序二 :
// Java program to demonstrate the compareTo() method
import java.time.OffsetTime;
public class GFG {
public static void main(String[] args)
{
// Parses the time
OffsetTime time1
= OffsetTime.parse("15:30:30+07:00");
// Parses the time
OffsetTime time2
= OffsetTime.parse("12:10:30+07:00");
// gets the offset time1
System.out.println("time1: "
+ time1);
// gets the offset time2
System.out.println("time1: "
+ time2);
System.out.println("time1 when compared"
+ " to time2 returns: "
+ time1.compareTo(time2));
}
}
输出:
time1: 15:30:30+07:00
time1: 12:10:30+07:00
time1 when compared to time2 returns: 1
程序 3: :
// Java program to demonstrate the compareTo() method
import java.time.OffsetTime;
public class GFG {
public static void main(String[] args)
{
// Parses the time
OffsetTime time1
= OffsetTime.parse("15:30:30+07:00");
// Parses the time
OffsetTime time2
= OffsetTime.parse("17:10:30+07:00");
// gets the offset time1
System.out.println("time1: "
+ time1);
// gets the offset time2
System.out.println("time1: "
+ time2);
System.out.println("time1 when compared"
+ " to time2 returns: "
+ time1.compareTo(time2));
}
}
输出:
time1: 15:30:30+07:00
time1: 17:10:30+07:00
time1 when compared to time2 returns: -1
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