after()函数是Java SQL的Timestamp类的一部分。该函数返回一个布尔值,该布尔值表示Timestamp对象是否出现在给定的Timestamp对象之后。
函数签名:
public boolean after(Timestamp t)
用法:
ts1.after(ts2);
参数:该函数接受Timestamp对象作为要检查的参数。
返回值:该函数返回布尔数据类型,该数据类型表示Timestamp对象是否出现在给定的Timestamp对象之后。
异常:该函数不会引发任何异常
以下示例说明了after()函数的使用
范例1:创建两个非相等的时间戳记,并检查第二个时间戳记是否在第一个时间戳记之后发生
// 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
范例2:创建两个相等的时间戳,并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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注:本文由纯净天空筛选整理自andrew1234大神的英文原创作品 Java SQL Timestamp after() function with examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。