FizzBuzz

Main.java

import javax.xml.bind.DatatypeConverter;
import java.lang.reflect.Method;

class Main {
    public static void main(String[] args) {
        ClassLoader classLoader = new ClassLoader() {
            private static final String src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
            {
                byte[] bytes = DatatypeConverter.parseHexBinary(src);
                defineClass("FizzBuzz", bytes, 0, bytes.length);
            }
        };

        try {
            Class<?> fizzBuzz = classLoader.loadClass("FizzBuzz");
            Object instance = fizzBuzz.getConstructor().newInstance();
            Method method = fizzBuzz.getDeclaredMethod("fizzBuzz");
            method.invoke(instance);
        } catch (ReflectiveOperationException e) {
            e.printStackTrace();
        }
    }
}