Multiple choice technology programming languages

class Hello{} class Hai extends Hello{} class Me{ static int x=7; static String s=null; public static void getWeight(Hello m){ int y=0/x; System.out.print(s+""); } public static void main(String [] args){ Hello [] ha={new Hello(),new Hai()}; for(Object o:ha) getWeight((Hello)o); } } When i run as--- java Me.java

  1. NoClassDefFoundError

  2. ClassCastException

  3. ArthmeticException

  4. IllegalArgumentException
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