Java Data Type Tutorial - Java Long.getLong(String nm, long val)

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Syntax

Long.getLong(String nm, long val) has the following syntax.

public static Long getLong(String nm,  long val)

Example

In the following code shows how to use Long.getLong(String nm, long val) method.

/*from  ww w.  j ava2s  .c o  m*/
public class Main {

   public static void main(String[] args) {

     
     System.setProperty("Java2s.com", "12345");
     String str = "Java2s.com";
     System.out.println(Long.getLong(str, 123L));

     System.out.println(Long.getLong("java",  123L));
   }
}

The code above generates the following result.

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