Java.util.Properties.load() Method


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Description

The java.util.Properties.load(Reader reader) method Reads a property list (key and element pairs) from the input character stream in a simple line-oriented format.

Declaration

Following is the declaration for java.util.Properties.load() method

public void load(Reader reader)

Parameters

  • reader -- the input character stream.

Return Value

This method does not return a value.

Exception

  • IOException -- if an error occurred when reading from the input stream.

  • IllegalArgumentException -- if the input stream contains a malformed Unicode escape sequence.

Example

The following example shows the usage of java.util.Properties.list() method.

package com.tutorialspoint;

import java.io.IOException;
import java.io.StringReader;
import java.util.*;

public class PropertiesDemo {

   public static void main(String[] args) {
   Properties prop = new Properties();
   String s = "Height=200\nWidth=15";

   // create a new reader
   StringReader reader = new StringReader(s);

   try {
   // load from input stream
   prop.load(reader);

   // print the properties list from System.out
   prop.list(System.out);


   } catch (IOException ex) {
   ex.printStackTrace();
   }
   }
}

Let us compile and run the above program, this will produce the following result:

-- listing properties --
Width=15
Height=200

java_util_properties.htm

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