PayPal Java SDK Core library base and common to PayPal SDKs. The paypal-core library is a dependency for all PayPal related Java SDKs
'com.paypal.sdk:paypal-core:1.2'
<dependency>
<groupId>com.paypal.sdk</groupId>
<artifactId>paypal-core</artifactId>
<version>1.2</version>
</dependency>
<dependency org="com.paypal.sdk" name="paypal-core" rev="1.2"/>
"com.paypal.sdk", "paypal-core", "1.2"