How do I run a Java program from the command line on Windows?
Apr 22, 2013 · I'm trying to execute a Java program from the command line in Windows. Here is my code: import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; …
How to set specific Java version to Maven? - Stack Overflow
Oct 29, 2013 · 267 Maven uses the JAVA_HOME parameter to find which Java version it is supposed to run. I see from your comment that you can't change that in the configuration. You …
Should I use java.util.Date or switch to java.time.LocalDate?
With Java 8, a new time API was introduced, namely the java.time.LocalDate etc., but java.util.Date is not marked as deprecated. I am writing a new project, which does not need to …
Getting random numbers in Java - Stack Overflow
I would like to get a random value between 1 to 50 in Java. How may I do that with the help of Math.random();? How do I bound the values that Math.random() returns?
java - Switching between different JDK versions in Windows
Nov 18, 2014 · I'm working on few projects and some of them are using different JDK. Switching between JDK versions is not comfortable. So I was wondering if there is any easy way to …
How do I generate random integers within a specific range in Java ...
Java 7+ In Java 1.7 or later, the standard way to do this (generate a basic non-cryptographically secure random integer in the range [min, max]) is as follows: import …
How to set the environment variables for Java in Windows
I anecdotally noticed that the links in that directory didn't get updated during an JDK installation update. So it's best to remove C:\ProgramData\Oracle\Java\javapath; from the Path system …
boolean operations - How to use 'or' in Java? - Stack Overflow
The || operator can only be used, in Java, where a boolean (true or false) expression is expected, such as in an if statement like the above. So pretty much in an if or a conditional operator (that …
Setting JAVA_HOME environment variable in MS Windows
JAVA_HOME if you installed the JDK (Java Development Kit) or JRE_HOME if you installed the JRE (Java Runtime Environment). In the Variable Value field, enter your JDK or JRE …
java - How do I tell Gradle to use specific JDK version ... - Stack ...
JAVA_HOME_FOR_MY_PROJECT=<path to my desired JDK> What I don't want point JAVA_HOME to the desired JDK I could live with many suggestions: a solution that defines a …