Running A Java Application
If you want to start a Java application, under Windows you can double-click it. If Windows says it doesn't recognize the type of file, you will need to download and install the Java Runtime Environment (JRE):
Once you've downloaded the installer, run it to install the Java Runtime Environment.
Writing Java Applications
If you want to start writing Java programs, you will need to install the Java Development Kit (JDK). You can find it at the same related link under JDK "Download". It's good to have some basic programming skills or a high degree of motivation first since Java can seem daunting at first. Select the version of the JDK you want as per the instructions for downloading the JRE. Then install it.
Although you can write Java programs in a text file and compile them from the command line, it's a good idea to have an IDE (Integrated Development ditor) handy since it contains debugging and other tools to make the development process simpler. See the Netbeans related link for a popular Java IDE.
Sites with example code and tutorials are also supplied in the related links. Good luck!
Java Web Start was created in 2001.
The Java Web Start software allows one to download and run Java applications. Java Web Start is very easy to use and ensures that one is always running the latest version of this application.
without class non of the folder can run so the java program should start in class we can use the class without object in java
java engineer
If it is already compiled, you can start your Java program from the command line. Just type java myclass replacing "myclass" with the program you want to start - a program with the ".class" extension, for example, myclass.class.
java engineer
No!!!! You do not need to learn c++ for learning java!
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There are many sites to find examples of Java string comparisons. Java Revisited, Java Coffee Break, Alvin Alexander, Stack Overflow and Lee Point are a few to start with.
There is a good book called Java - The Complete Reference. This would be a good place to start.
First of all, you have to start SBT while having java already in the JDK7 folder. You will need to specify Java Home as a command option. This changes the java version to the same one SBT uses.
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