properties.java

由于想一次上传成功 所以将二个教程打包成了一个 这些例子几乎包含了所有java的框架集合

import java.util.*;
 
class properties 
{
    public static void main(String args[]) 
    {
        Properties properties1 = new Properties();
        Set states;
        String outString;

        properties1.setProperty("Property 0", "Value 0");
        properties1.setProperty("Property 1", "Value 1");
        properties1.setProperty("Property 2", "Value 2");
        properties1.setProperty("Property 3", "Value 3");
        properties1.setProperty("Property 4", "Value 4");
        properties1.setProperty("Property 5", "Value 5");
        properties1.setProperty("Property 6", "Value 6");

        outString = properties1.getProperty("Property 3", "Missing");
        System.out.println(outString);

        outString = properties1.getProperty("Property 7", "Missing");
        System.out.println(outString);
    }
}