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This article mainly explains "what are the functions of IntelliJ IDEA 2019.1". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what are the functions of IntelliJ IDEA 2019.1"?

Custom theme

Previously, IntelliJ IDEA officially provided only black and white themes for developers to use, which will naturally lead to aesthetic fatigue over time. However, starting with version 2019.1, IntelliJ IDEA supports custom UI themes. Custom UI themes enable users to control the appearance of built-in IntelliJ IDEA UI elements. Specifically, users can:

Replace icon

Change the color of icons and UI controls

Change the border and insets of the UI control

Use a custom editor scheme

Add background picture

Java supports Java 12 Switch expressions (Preview)

IDE can detect any "switch" statements that can be replaced with enhanced "switch" statements or expressions and provide quick fixes for transformations.

Accurately highlight the warning content in a ternary expression

IntelliJ IDEA 2019.1 ensures that ternary expressions are highlighted with more accurate warning content. Now only cases where nullability violations are detected are highlighted (previously, the entire ternary expression was highlighted, even if the nullability was violated only in a single condition).

Docker debugger supports debugging Java applications in Docker

You can now use the debugger to debug Java applications running within the Docker container. IDE supports debugging inside containers built from Dockerfile, or containers created using Docker compose (docker-compose.yml).

In addition to many usage improvements, it also includes improvements to development frameworks such as Spring Cloud Stream and Thymeleaf.

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