Conversion from long to double:

In this tutorial we will learn how to convert a long type value to double type value.

Description:

This program will take a long type value from console and provide the conversion to float type. The line long mylong = Long.parseLong(buffreader.readLine()); reads the long type value from console. The line double mydouble = (double)(mylong); converts the mylong long  type value to mydouble double type value.

Code:

import java.io.*;

class longtodouble {
public static void main(String[] args) {
try {
// Reads the value from console
BufferedReader buffreader = new BufferedReader(new InputStreamReader(System.in));
System.out.println("---Data Conversion from long type to double type---");
System.out.println("Enter long type value: ");
// Read long type data
long mylong = Long.parseLong(buffreader.readLine());
// Convert long type data to double type
double mydouble = (double)(mylong);
System.out.println("Converted value from long type to double type is : " + mydouble);
} 
catch (Exception e) {
System.out.println(" Error " + e);	
}
}
}
 

Output:

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