Java SQL Timestamp after()函数示例
原文:https://www . geesforgeks . org/Java-SQL-timestamp-function-after-with-examples/
()后的函数是 Java SQL 的 Timestamp 类的一部分。该函数返回一个布尔值，表示时间戳对象是否出现在给定的时间戳对象之后。
*功能签名:*
public boolean after(Timestamp t)
*语法:*
ts1.after(ts2);
*参数:*函数接受时间戳对象作为要检查的参数。
*返回值:*函数返回布尔数据类型，表示时间戳对象是否出现在给定的时间戳对象之后。
*异常:*函数不抛出任何异常
*以下示例说明了 after()函数*的使用
*示例 1:* 创建两个不相等的时间戳，检查第二个时间戳是否出现在第一个时间戳之后
// Java program to demonstrate the
// use of after() function
import java.sql.*;
public class solution {
public static void main(String args[])
{
// Create two timestamp objects
Timestamp ts1 = new Timestamp(10000);
Timestamp ts2 = new Timestamp(10001);
boolean b = ts2.after(ts1);
// Check if the second timestamp occurs
// after first timestamp
if (b) {
// If true print that the Second Timestamp
// occurs after the first timestamp
System.out.println("Second Timestamp occurs"
+ " after first timestamp");
}
else {
// If false print that the Second Timestamp
// does not occur after the first timestamp
System.out.println("Second Timestamp does not"
+ " occur after first timestamp");
}
}
}
**输出:
Second Timestamp occurs after first timestamp
示例 2: 创建两个相等的时间戳，检查第二个时间戳是否出现在第一个时间戳之后
// Java program to demonstrate the
// use of after() function
import java.sql.*;
public class solution {
public static void main(String args[])
{
// Create two timestamp objects
Timestamp ts1 = new Timestamp(10000);
Timestamp ts2 = new Timestamp(10000);
boolean b = ts2.after(ts1);
// Check if the second timestamp occurs
// after first timestamp
if (b) {
// If true print that the Second Timestamp
// occurs after the first timestamp
System.out.println("Second Timestamp occurs"
+ " after first timestamp");
}
else {
// If false print that the Second Timestamp
// does not occur after the first timestamp
System.out.println("Second Timestamp does not"
+ " occur after first timestamp");
}
}
}
输出:
Second Timestamp does not occur after first timestamp
参考:https://docs.oracle.com/javase/7/docs/api/java/sql/Timestamp.html**
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