Get a resource using getResource()
leading slash to denote the root of the classpath slashes instead of dots in the path you can call getResource() directly on the class.
java
Java – Access is denied java.io.FileNotFoundException
When you create a new File, you are supposed to provide the file name, not only the directory you want to put your file in. Try with something like
Installing jdk8 on ubuntu- “unable to locate package” update doesn’t fix
I’ve been trying to install the jdk on my ubuntu after downloading it. first I’ve used: sudo apt-get update then: sudo apt-get install jdk* (because I didn’t want to write the whole long name). it didn’t work- printed the message in the title. I thought the problem might me with the directory I’m executing from … Read more
keytool error Keystore was tampered with, or password was incorrect
From your description I assume you are on windows machine and your home is abc So Now : Cause When you run this command keytool -genkey -alias tomcat -keyalg RSA because you are not specifying an explicit keystore it will try to generate (and in your case as you are getting exception so to update) … Read more
java.lang.ArithmeticException: / by zero
The % operator returns the remainder after dividing the first number by the second number. If the second number (in your example size) is zero, then you will get a divide by zero ArithmeticException. The key is to check if size is zero before performing this loop, and take the appropriate action.
java.lang.ArithmeticException: / by zero
The % operator returns the remainder after dividing the first number by the second number. If the second number (in your example size) is zero, then you will get a divide by zero ArithmeticException. The key is to check if size is zero before performing this loop, and take the appropriate action.
accessing a variable from another class
Very simple question but I can’t do it. I have 3 classes: DrawCircle class DrawFrame class CircMain class One class creates a frame, the other draws a circle and fills it with smaller circles. In DrawFrame I set width and height. In DrawCircle I need to access the width and height of DrawFrame. How do … Read more
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there. Select the Execution Env as show below. Click OK Then Right-Click on your Project -> Maven -> Update Project Additionally, you may have to change Maven … Read more
List of all special characters that need to be escaped in a regex
You can look at the javadoc of the Pattern class: http://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html You need to escape any char listed there if you want the regular char and not the special meaning. As a maybe simpler solution, you can put the template between \Q and \E – everything between them is considered as escaped
java.lang.ClassNotFoundException: org.sqlite.JDBC error in Sample.java program from xerial
Thanks to user phew for the help/ideas. I missed the obvious command line instructions on Xerial’s site for the Sample program. To get the program to run from the command line, I had to copy the JAR file into the same folder as the .CLASS file. Then run the following command: Inside the quotation marks … Read more