Java 8 NullPointerException in Collectors.toMap

Today, Let’s discuss about the Java 8 NullPointerException in Collectors.toMap. The Java 8 Collectors.toMap throws a NullPointerException if one of the values is ‘null’. This error make developers confused and don’t know why this behavior happens, although maps can contain null pointers as value without any problems. Is there a good reason why values cannot … Read moreJava 8 NullPointerException in Collectors.toMap

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