IT. Expert System.

The java.util.Properties.getProperty(String key) method searches for the property with the specified key in this property list. If the key is not found in this property list, the default property list, and its defaults, recursively, are then checked. The method returns null if the property is not found.

Syntax:

public String getProperty(String key)

Example:

import java.util.*;

public class PropertiesDemo {

   public static void main(String[] args) {
      Properties prop = new Properties();

      // add some properties
      prop.put("Height", "200");
      prop.put("Width", "150");
      prop.put("Scannable", "true");

      // get two properties and print them
      System.out.println("" + prop.getProperty("Scannable"));
      System.out.println("" + prop.getProperty("Width"));

   }
}

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