Java Transaction types and Isolation levels

Java Transaction Types :

1)  Global Transactions
2)  Local Transactions

• Required
• RequiresNew
• Supports
• Not supports
• Mandatory
• Never
• Nested

Isolation levels:

• Read committed
• Read uncommitted
• Repeatable read
• Serializable

Transactions handling in  Springs :

https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/transaction.html