J2ME2007-12-06
What is J2ME?
J2ME is the short form for Java 2 Micro Edition. J2ME is meant for tiny devices such as mobile phones, TV set top boxes, Vehicle telematics, pagers, PDAs etc.Â
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Java2007-12-06
How Java is Organized?
Java has changed tremendously and included more features over the years. The first basic version of Java comprised of just six packages. A package is a collection of Java classes.
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Getting Started with Java
If you are familiar with C then Java should be very familiar to you in terms of syntax. If you are a C++ programmer the Java will be easier still since Java is also purely an Objec
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What is Java?
A search on 'What is Java' in google returns roughly about a trillion pages. That is the popularity of Java on the web. If you haven't read the history of Java please read it first
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History of Java
It is always a good practice to know a little bit of history and background of any technology before starting to actually use it. In fact Java has nothing to do with the 'Island Ja
Read tutorialJava2007-12-03
Applet Notinited : Applet xxxxxxxxxxxx notinited
Applet notinited is a message that appears on the status bar of your IE whenever there is a mismatch in the JRE versions in your PC compared to the applet's java version that you a
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Java2007-10-14
Importing Keystore example using keytool in Java
The command importkeystore is used to import an entire keystore into another keystore, which means all entries from the source keystore, including keys and certificates, are all im
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Exporting a Certificate Authenticating Your Public Key example using keytool in Java
Suppose you have used the jarsigner tool to sign a Java ARchive (JAR) file. Clients that want to use the file will want to authenticate your signature.
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Importing the Certificate Reply from the CA example using keytool in Java
Once you've imported a certificate authenticating the public key of the CA you submitted your certificate signing request to (or there's already such a certificate in the "cacerts"
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Importing a Certificate for the CA example using keytool in Java
You need to replace your self-signed certificate with a certificate chain, where each certificate in the chain authenticates the public key of the signer of the previous certificat
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Requesting a Signed Certificate from a Certification Authority example using keytool in Java
So far all we've got is a self-signed certificate. A certificate is more likely to be trusted by others if it is signed by a Certification Authority (CA). To get such a signature,
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Generating Your Key Pair example using keytool in Java
The first thing you need to do is create a keystore and generate the key pair. You could use a command such as the following:
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