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Example On NULL Tag In Spring

Here we are going to see how to use spring provided <NULL> tag to inject null value in a target bean.
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Java 8 Optional Class

In this blog we are going to show you What is Optional class, how to work with Optional class, What are the methods are there in Optional class and How to work with the Optional class methods. Optional class was introduced in Java 8, It is present in java.util package i.e. java.util.Optional.
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