1. Using Kotlin to Check if a File Exists In Kotlin, we use theexists()function from theFileclass. Here’s how it looks: CheckFile.kt importjava.io.Filefunmain(){valfile = File("example.txt")if(file.exists()) {
The first and most straightforward way of finding the variable type in Kotlin is to use the is keyword. It does not give you the exact variable type but allows checking the type.You can use the is keyword to determine if the variable type is the same as what you think it is. You ...
Although not-null, immutable variables with sensible defaults are often desired, it is not always the case. It is sometimes required to check if multiple variables are not null. This post describes several variants of how to do this when smart casts are not possible because the variables are ...
In the main part of the code, we create a list calledfruit_listcontaining elements["Apple", "Banana", "Pineapple"]. We then set the variableindex_to_checkto2. Next, using anif-elsestatement, we call theindex_existsfunction with the list and index as arguments. If the index exists in...
if (snapshot == "true") { version = version + "-SNAPSHOT" } else { version = version + "-RELEASE" version = version } configurations { 2 changes: 1 addition & 1 deletion 2 git-checkout-core/src/main/kotlin/com/tencent/bk/devops/git/core/GitCheckoutRunner.kt Original ...
displayed, add the variable value %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;. Step 5 Click OK. Step 6 Open the Git Bash client and enter the java -version command. If information similar to the following is displayed, the configuration is successful.Issue 01 (2025-04-30) Copyright © Huawe...
// the entry file for bundle generation. If none specified and // "index.android.js" exists, it will be used. Otherwise "index.js" is // default. Can be overridden with ENTRY_FILE environment variable. entryFile: "index.android.js", ...
displayed, add the variable value %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;. Step 5 Click OK. Step 6 Open the Git Bash client and enter the java -version command. If information similar to the following is displayed, the configuration is successful.Issue 01 (2024-11-15) Copyright © Huawe...
First, we define a function calledIf_TextFileEmpty()and create a variable calledmy_fileinside the function. We will call thePath()class and define a file’s path; we putrbefore the string to avoid a unicode error. my_file=Path(r"C:\Users\Dell\Desktop\demo\files\Mytextfile.txt") ...
The==operator can do anullcheck using the strict-check method. It will returntrueif a variable isnullor even when it isundefined. It is only possible to perform the strict check for thenullusing the==operator. In TypeScript, we can check fornullandundefinedsimultaneously by following the ju...