/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
class LocalClassExample {
static String regularExpression
= "[^0-9]";
public static void validatePhoneNumber(
final int numberLength = 10;
// Valid in JDK 8 and later:
// int numberLength = 10;
// -------------------- local class ---------------------------
class PhoneNumber {
String formattedPhoneNumber
= null;
PhoneNumber
(String phoneNumber
){ // numberLength = 7;
String currentNumber
= phoneNumber.
replaceAll(regularExpression,
""); if (currentNumber.length() == numberLength)
formattedPhoneNumber = currentNumber;
else
formattedPhoneNumber = null;
}
return formattedPhoneNumber;
}
// Valid in JDK 8 and later:
public void printOriginalNumbers() {
System.
out.
println("Original nubmers are " + phoneNumber1
+ " and " + phoneNumber2
); }
}
// ---------------------------------------------------------
PhoneNumber myNumber1 = new PhoneNumber(phoneNumber1);
PhoneNumber myNumber2 = new PhoneNumber(phoneNumber2);
// Valid in JDK 8 and later:
myNumber1.printOriginalNumbers();
if (myNumber1.getNumber() == null)
System.
out.
println("First number is invalid"); else
System.
out.
println("First number is " + myNumber1.
getNumber()); if (myNumber2.getNumber() == null)
System.
out.
println("Second number is invalid"); else
System.
out.
println("Second number is " + myNumber2.
getNumber());
}
public static void main
(String[] args
) { validatePhoneNumber("123-456-7890", "456-7890");
}
}
/* Name of the class has to be "Main" only if the class is public. */
class Ideone222
{
{
LocalClassExample ex = new LocalClassExample();
// your code goes here
}
}