Automatic versioning jar with gradle build tool. Place the code snippet of the automatic-versioning.gradle file in your build.gradle file. Valid values for UpgradeVersion are: Major, Minor, Patch or None.

automatic-versioning.gradle

compileJava{
	doFirst {
	    	def propertyFile = file "/version.properties"
		def props = new Properties()
		propertyFile.withReader { props.load(it) }
		print "Actual Version: "
		version = props.getProperty('MajorVersion') + '.' + props.getProperty('MinorVersion') + '.' + props.getProperty('PatchVersion') + '-' + props.getProperty('LabelVersion') + '(' + props.getProperty('BuildVersion') + props.getProperty('MajorVersion') + props.getProperty('MinorVersion') + props.getProperty('PatchVersion') + ")"
		println("version = ${version}")
	}
    doLast {
		def propertyFile = file "/version.properties"
		def props = new Properties()
		propertyFile.withReader { props.load(it) }
		print "Upgrade Version: "
		println props.getProperty('UpgradeVersion') + "Version"
		if(props.getProperty('UpgradeVersion')!="None") {
			props.setProperty(props.getProperty('UpgradeVersion') + "Version", Integer.toString(Integer.parseInt(props.getProperty(props.getProperty('UpgradeVersion') + "Version"))+1))
		}
		props.setProperty("BuildVersion", Calendar.getInstance().get(Calendar.MONTH)+1 + "" + Calendar.getInstance().get(Calendar.DAY_OF_MONTH) + "" + Calendar.getInstance().get(Calendar.HOUR_OF_DAY))
		propertyFile.withWriter { props.store(it, null) }
		print "Next Version: version = "
		propertyFile.withReader { props.load(it) }
	    	println props.getProperty('MajorVersion') + '.' + props.getProperty('MinorVersion') + '.' + props.getProperty('PatchVersion') + '-' + props.getProperty('LabelVersion') + '(' + props.getProperty('BuildVersion') + props.getProperty('MajorVersion') + props.getProperty('MinorVersion') + props.getProperty('PatchVersion') + ")"
	}
}

version.properties

LabelVersion=RC
MajorVersion=1
PatchVersion=1
UpgradeVersion=Patch
BuildVersion=1123
MinorVersion=5