I have this block; Runtime runtime = Runtime.getRuntime(); Process process = runtime.exec(“bash -c “mkdir .typo && mkdir .typo/lib && mkdir src/ && mkdir bin/ &&…
Tag: runtime
Adding module export to mvn test execution runtime
Getting this error during tests: class javax.crypto.JceSecurity (in unnamed module @0x45da40ad) cannot access class jdk.internal.util.StaticProperty (in module java.base) because module java.base does …
Mac OS Catalina “to open eclipse you need to install the legacy java se 6 runtime”
PROBLEM : Although I successfully installed Java JDK Kit and Eclipse on my MacOS Catalina 10.15, I cannot launch Eclipse. I get this error message: “To open eclipse you need to install the legacy java se 6 runtime” BACKGROUND : I am starting to learn java programming. I wanted to install java and eclipse. Following a helpful youtube tutorial, I
Speed of custom Java classes vs. Maps
Which is faster: a Set whose elements are each an instance of CustomObject as defined below: public class CustomObject{ private static String A; private static String B; private static …
Executing Java code inside a Java program
I would like to create an application which for example measures the execution time of a certain block of code. In this case it should have a structure like this: I’m curious about the method designated by the arrow, I need some sort of a placeholder. How should be this method implemented? Is it even possible to execute a custom
Java Process cannot get the InputStream through Runtime.getRunTime().exec()
The Code has issues with getting the InputStream from the Process, because if I run the Shell script from my Terminal it runs completely fine, but if I Run the Script like this,the str is always null, I am using this code to get the output of the Shell Script directly into Java instead writing the Script Output in the
Java Error opening registry key
I get this error when I try to do anything with Java in command prompt: Error opening registry key ‘SoftwareJavaSoftJava Runtime Environment.3’ Error: could not find Java.dll Error: could not find …
How to check existence of a program in the path
I’m writing a program in scala which call: I want to check if “svn” is available from the commandline (ie. it is reachable in the PATH). How can I do this ? PS: My program is designed to be run on windows Answer Here’s a Java 8 solution: Replace anyMatch(…) with filter(…).findFirst() to get a fully qualified path. Here’s a
During execution, how can a java program tell how much memory it is using?
During execution, how can a java program tell how much memory it is using? I don’t care how efficient it is!