public static String getProperty (String key, String default)
public class MainClass{
public static void main(String[] args){
System.out.println(System.getProperty("password","defaultPassword"));
}
}
defaultPassword
public class MainClass {
public static void main(String[] args) {
System.out.println(" OS name: " + System.getProperty("os.name", "not specified"));
System.out.println(" JVM Version: " + System.getProperty("java.version", "not specified"));
System.out.println(" user.home: " + System.getProperty("user.home", "not specified"));
System.out.println(" java.home: " + System.getProperty("java.home", "not specified"));
}
}
OS name: Windows XP
JVM Version: 1.5.0
user.home: C:\Documents and Settings\yourname
java.home: C:\Java_Dev\sdk\jdk\jre