final Keyword

public class FinalClassDemo
{
public static void main(String[] args)
{
Demo d = new Demo();
System.out.println(d.SymbolNo);
d.method1();
}
}

final class Demo
{
final int SymbolNo = 130;
public final void method1()
{
System.out.println(SymbolNo);
}
}

/*
class Demo1 extends Demo{  // we cannot extends final class

}
*/