import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
class Main {
public static boolean isLong(String text) {
try {
new Long(text);
return true;
} catch (NumberFormatException e) {
return false;
}
}
public static boolean isDouble(String text) {
try {
new Double(text);
return true;
} catch (NumberFormatException e) {
return false;
}
}
}
|