Is there a better way to print system properties from command line? As we can set the property e.g. java -D<name>=<value> //set a system property Without writing a class to do that...

How can I print color in console? I want to show data in colors when the processor sends data and in different colors when it receives data.

How can I check heap size (and used memory) of a Java application on Linux through the command line? I have tried through jmap. But it gives information about internal memory areas, like Eden, Perm...

Oct 17, 2016 · I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns. Here is my code: Runtime …

Java 8 - Stream.collect (joining ()), Stream.forEach Below I try to list some of the other methods suggested, attempting to improve a little, with the most notable addition being the use of the …

7 The following command is useful as well to retrieve the list of all options. java -XX:+PrintFlagsFinal -version

May 30, 2013 · Here are the primary differences between using System.out /.err /.in and System.console(): System.console() returns null if your application is not run in a terminal (though …

Jul 9, 2018 · If you are sure that you have set them properly, you can print your environment variables like JAVA_HOME using any of the below methods in Windows 10.

If you are interested in getting the JVM parameters of a running Java process, then just do kill -3 java-pid. You will get a core dump file in which you can find the JVM parameters used while launching the …

Oct 24, 2010 · System.out.printf("%n"); It is supposed to print a newline character, depending on the current platform, so it's perfect for the console. If you are printing to a file, then it depends.