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Convert String to long

                         

In this section, we will learn how to convert String to long. The following program provides you the functionality to convert String to long.

Code Description:

In this program we have taken a String as "String s = 20000" as shown below. To convert this String to long we have used "parseLong()" method in a try and catch block to catch the exception if occurs. Therefore we get the following output of the program as shown below.

Here is the code of the program:

public class StrToLong {
  public static void main (String[] args) {
     String s = "20000";
     try {
         long l = Long.parseLong(s.trim());
         System.out.println("long l = " + l);
      catch (NumberFormatException e) {
         System.out.println("NumberFormatException: " + e.getMessage());
      }
    }
 }

Output of the program:

C:\unique>javac StrToLong.java

C:\unique>java StrToLong
long l = 20000

C:\unique>

Download this example.

                         

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