Three of Java's top application categories are webapps, banking/financial services, and big data. Node and Pyspark have displaced quite a lot of that.
Most serious banking apps and financial services are still written in Java, it hasn't displaced much of anything. Big data is a relatively 'new' fad that is already becoming less and less relevant.
Most serious banking apps and financial services are still written in Java, it hasn't displaced much of anything. Big data is a relatively 'new' fad that is already becoming less and less relevant.