97 Things Every Java Programmer Should Know Pdf Github

Restrict which classes can extend a superclass. 2. Memory Management and Performance

: Understanding how GC works helps you write more efficient code rather than fearing it. 97 things every java programmer should know pdf github

The JVM compiles frequently executed bytecode into native machine code. Write predictable, clean code to help the JIT compiler optimize your application via inlining and escape analysis. 2. Advanced Language Features and Modern Java Restrict which classes can extend a superclass

Traditional Java threads map 1:1 to operating system threads, making them expensive. Virtual threads are lightweight threads managed by the JVM, allowing applications to scale to millions of concurrent tasks without exhausting system resources. 97 things every java programmer should know pdf github