JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to create and store property file dynamically?


Description:

This example shows how to get create properties file dynamically. You have to create Properties object, set all properties by using setProperty() method, store it to file system by using store() method.


Code:
package com.java2novice.properties;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Properties;

public class MyPropertyFileStore {

	public static void main(String a[]) throws IOException{
		
		OutputStream os = null;
		Properties prop = new Properties();
		prop.setProperty("name", "java2novice");
		prop.setProperty("domain", "www.java2novice.com");
		prop.setProperty("email", "[email protected]");
		try {
			os = new FileOutputStream("C:/MyProp.properties");
			prop.store(os, "Dynamic Property File");
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		
	}
}

Output:
#Dynamic Property File
#Mon Jul 09 21:05:40 GMT+05:30 2012
[email protected]
name=java2novice
domain=www.java2novice.com
<< Previous Program | Next Program >>

List of Properties class sample programs:

  1. How to load Properties file from a file system?
  2. How to load Properties file from the classpath?
  3. How to load Properties file from a static block or static method?
  4. How to assign default values for unavailable keys in properties file?
  5. How to get all keys from properties file?
  6. How to create and store property file dynamically?
  7. How to store property file as xml file?
  8. How to load property file using class name in java?
Knowledge Centre
Different types of Access Modifiers
public: Any thing declared as public can be accessed from anywhere.

private: Any thing declared as private can't be seen outside of its class.

protected: Any thing declared as protected can be accessed by classes in the same package and subclasses in the other packages.

default modifier: Can be accessed only to classes in the same package.
Famous Quotations
Insanity: doing the same thing over and over again and expecting different results.
-- Albert Einstein

About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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