AWS Lambda, a serverless computing service, is often debated in terms of its compatibility with Java, a language some consider unsuitable due to its longer startup times, verbosity, and perceived decline in popularity. Despite these concerns, Java remains a widely-used language with significant support from major companies like AWS, which itself uses Java in its services. For teams already experienced with Java, leveraging it with Lambda can be beneficial, particularly for high-throughput applications where Java's runtime performance excels. While the cold start latency of Lambda functions is a notable issue, especially for low-throughput applications, various strategies can mitigate this, such as optimizing memory configuration, reducing code size, and considering alternatives like GraalVM or Lambda's Provisioned Concurrency. Ultimately, Java and Lambda can effectively coexist, especially in industrial contexts where teams can leverage their existing Java expertise without needing to learn new languages amidst adopting serverless architectures.