Search:

To let the java program find the class of extra library, How can I include the extra library in a jar?

I am using jericho html parser. But when I compile my program, it doesn't have any problem. but when i run it, the following error msg is found:

Exception in thread "main"...

I just expect it was

"The area of circle is 314.15." before

public class Area {
public static void main(String[] args) {
double radius;
double area;
radius = 10;
area = radius * radius * 3.1415 ;
System.out.println("The area of circle is " +...