I am unable to generate a folder/HTML report of jmeter in the command line. I have previously upgraded to the latest java and somehow it did not work. I have downloaded jdk8 but encountered this message below: jmeter: line 128: [: : integer expression expected jmeter: line 199: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home -v 1.8.331.09/bin/java: No such file or directory Answer You’re using
Tag: java-8
Generic type-casting method returning an Optional object
I have a method: That allows me to invoke it like so: And this is great. Except, now, I want load(…) to return an Optional<???> so that the interaction would look something like: What changes I need to make to load(…) method to make it capable of returning an Optional of <T>? Answer You can do it by declaring something
Sorting a List of Maps dynamically in Ascending and Descending order
I am having Maps inside a List. I need to sort the List based on the input dynamically by passing it as a parameter into the method sortData. It is working as expected, but the problem is that am not able to sort the list in reverse order. I’m getting an Error : The method get(String) is undefined for the
Java 1.8.0_311 on Solaris 9 returns relocation error, symbols unsetenv and sema_timedwait not found
This is similar to this question about Java 1.6. As the OP of that question, I have a Solaris on a SPARC v9 architecture (physical SUN Fire V445): Calling java from the latest Oracle-distributed Java 8 for SPARC 64-bit gets me this: Looking at libjvm.so more closely, not only unsetenv is missing: I assume that the timedwait semaphore should be
Compilation error while merging two Maps is being issued for Map.Entry::getKey
Whenever I use Map.Entry::getKey in my streams for my public methods, I get an issue around my method not being static. I even tried making my method static, and it didn’t work. Below is the compile error I am getting from using Map.Entry()::getKey() : My code Answer The method arguments are of type Map<String, String> and the return type is
Java 8 calculate how many 1st of the months between two dates
I have two dates: I want the result = 1 (for the date, 2022-04-01) Answer tl;dr See this code run live at IdeOne.com. 1 Details First, parse the inputs as LocalDate objects. The LocalDate#datesUntil method creates a stream of LocalDate objects between the two values. We can filter that stream to keep only the ones whose day-of-month is 1 (the
Eclipse not giving warning when running java code which has compilation errors
When running a Java/Spring code, If the application has compilation errors we get a popup warning as ” Code contains compilation error..Continue running “. There is a checkbox there as ” Do not ask next time” I ticked that and allowed, Now Even if my large Java/spring applications contains compilation error it still runs and I am not able to
Filter distinct groups and get average of String values parsing as Integer or Double
I have a POJO like below: And a List like below: Now I am trying to filter and group all the employees by department and need to get the highest spending department. If salary is of type Double (say) I can do it like below: And I get the expected output: But I am clueless what to do if I
OpenJdK 8 – Can’t compile package javafx.util does not exist
I build my java project by Maven. When I try to compile my java project by OpenJdk 1.8.0_322: I get error: P.S. If I use jdk1.8.0_202 from Oracle the project success compile! P.P.S. The project must be compile by java 8. It’s client requirements. Answer tl;dr Either: Develop/deploy on a JDK that includes the OpenJFX libraries. Add the OpenJFX libraries
How to use Java reduce() function on stream of objects with BinaryOperator
combinedResult is a stream of type ObjectNode that consists of data like this for example: I want to get a result like this: I have written the below BinaryOperator function But when I try this out, I get below result: I understand that this is because I return o1 as default value in the BinaryOperator, but I don’t know how