Package org.aoju.bus.core.compare

Class VersionCompare

java.lang.Object

org.aoju.bus.core.compare.VersionCompare

All Implemented Interfaces:

Serializable, Comparator<String>

public class VersionCompare
extends Object
implements Comparator<String>, Serializable

版本比较器 比较两个版本的大小 排序时版本从小到大排序,既比较时小版本在前,大版本在后 支持如：1.3.20.8,6.82.20160101,8.5a/8.5c等版本形式

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final VersionCompare	INSTANCE	单例

Constructor Summary

Constructors

Constructor	Description
VersionCompare()	默认构造

Method Summary

Modifier and Type	Method	Description
int	compare(String version1, String version2)	比较两个版本 null版本排在最小：既：

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

INSTANCE

public static final VersionCompare INSTANCE

单例

Constructor Details

VersionCompare

public VersionCompare()

默认构造

Method Details

compare

public int compare(String version1,
 String version2)

比较两个版本 null版本排在最小：既：

 compare(null, "v1") < 0
 compare("v1", "v1")  = 0
 compare(null, null)   = 0
 compare("v1", null) > 0
 compare("1.0.0", "1.0.2") < 0
 compare("1.0.2", "1.0.2a") < 0
 compare("1.13.0", "1.12.1c") > 0
 compare("V0.0.20170102", "V0.0.20170101") > 0
 

Specified by:

compare in interface Comparator<String>

Parameters:

version1 - 版本1

version2 - 版本2