![]() My own pet project, plantuml-native-image, where I experiment with compiling PlantUML into native executable code using GraalVM Native Image.In fact, it is this second project that encouraged me to write this post but I’m getting ahead of myself. A simple taskīefore we start looking at Structural Search, let’s consider some simple tasks where this search could be useful. Here is an example of one of my recent tasks, using a revision of a jMonkeyEngine project as the code for demonstration (rather than closed source code). This task requires me to search for open lock objects using the synchronized keyword (see "Item 82 – Document thread safety", from chapter 11, "Concurrency", in Joshua Bloch’s Effective Java). The point is that using synchronization for objects that are publicly available is not a great idea. In this case, control over synchronization is lost and third-party code may start interfering with it, which could lead to undesirable effects and eventually to deadlocks. PsiReferenceExpression - some expression whose result is used as the synchronization object.It is important to bear in mind that synchronized keyword has two use cases:Īnd as an internal method structure: class ClassA ) #Find and replace intellij code# The first two types can be determined automatically as open object synchronization. This means that, if we have Obj as the object of a PsiThisExpression or PsiClassObjectAccessExpression type, true should be returned.If you have a few years of experience in the Java ecosystem, and you're interested in sharing that experience with the community (and getting paid for your work of course), have a look at the "Write for Us" page. This article looks at the keyboard shortcuts that we need to edit, build, and run Java applications in JetBrains' Java IDE, IntelliJ IDEA. Keyboard shortcuts save us time because we can keep our hands on the keyboard and get things done faster. We looked at refactoring with IntelliJ IDEA in a previous article, so we don't cover these shortcuts here. If we remember just one IntelliJ IDEA shortcut, then it must be Help – Find Action, which is Ctrl + Shift + A in Windows and Shift + Cmd + A in macOS. This shortcut opens a search window with all menu items and other IDE actions, whether they have a keyboard shortcut or not. We can immediately type to narrow our search, use the cursor keys to select a function, and use Enter to execute it.įrom now on, we'll list the keyboard shortcuts in parentheses directly behind the menu item name. If the shortcuts differ between Windows and macOS, as they usually do, then we put the Windows shortcut first and the macOS one second. ![]() On macOS computers, the Alt key is typically called Option. We'll still call it Alt in this article to keep our shortcuts brief. Let's start with configuring IntelliJ IDEA and our project. We reach the settings of IntelliJ in Windows with File – Settings ( Ctrl + Alt + S) and in macOS with IntelliJ IDEA – Preferences ( Cmd + ,).
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