Java is one of the best languages in the world. It is easy to learn and easy to use. But I have no idea what exactly Java is good for. In fact, many new graduates choose Java for these reasons, but now students really love Java.
Cross-platform is Java’s biggest advantage. Java runs on the JVM (Java Virtual Machine), on any platform where the JVM is installed. Java is ready to run. It is built on top of the operating system, shielding underlying differences.
There are no Pointers in Java, so there is no way to access memory directly. Java is also less prone to memory leaks.
Four, multithreading Java built-in support for multithreading, can easily achieve multithreading functions in the program. Unlike other languages that do not support multithreading, it is necessary to call the multithreading function of the operating system to complete the implementation of multithreading.
Five, widely used have to admit that the above one point is true, Java does have many enterprises in use, and are used in large projects. This means that Java jobs are easier to find, and the other thing is that if you have a problem with Java development, you can easily find a solution online.
Java has a history of more than 20 years since its inception. After more than 20 years of accumulation and precipitation, many excellent open source communities have emerged, such as Apache and Spring. These great communities provide a number of great frameworks that allow us to focus on business implementation rather than Java low-level development.
The Java junior programmer is the lowest level and only needs to know the basics of Java to become a junior programmer. Ava programmers can have three advanced directions, namely Android mobile development, Web development and communication development. After reaching senior programmer level, many people choose different directions at this stage. Others move from coding and design to requirements analysis and product manager, while others stay on the technical path and become systems architects.