Java Data Type Tutorial - Java System.getProperty(String key, String def)

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Syntax

System.getProperty(String key, String def) has the following syntax.

public static String getProperty(String key,   String def)

Example

In the following code shows how to use System.getProperty(String key, String def) method.

/* w w  w  .ja  v a2s . c  o m*/

public class Main {

   public static void main(String[] args) {

      // gets the system property 
      System.out.println(System.getProperty("string","java2s.com")); 
   }
}

The code above generates the following result.

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