Abstract: This research paper explores the Java Virtual Machine's (JVM) security framework and investigates strategies to achieve comparable or enhanced security within the code. Examining core JVM security components such as classloaders, bytecode verification, and the security manager, we assess their limitations and capabilities in providing comprehensive security. We also delve into contemporary coding practices, including security libraries, secure coding principles, and industry-standard security frameworks, empowering developers to integrate security directly into their code. By comparing JVM security with incode security strategies, this study aims to provide actionable insights for developers, security practitioners, and decision-makers, bridging the gap between runtime JVM security and proactive code-level security. The objective is to advocate for a more adaptable and robust approach to secure Java applications in today's evolving threat landscape.