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Java Quick Guide
This guide contains usefull Java information.
Quick guides
Java Command
Javac Command
Jar Tool
Java API Documentation
Javadoc Comments
Java Code Conventions
Helper Java applications
Create a WAR file
keytool
keytool code examples
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Java boolean type
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Java string type
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Java string type.
Information
A String is nothing more than an array of characters (
char
), for example:
public class DemoString {
public static void main (String[] args) {
char data[] = {'h','e','l','l','o'};
String str = new String(data);
System.out.println(str);
}
}
You should see:
hello