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Java Inheritance II Hackerrank Solution

 Java Inheritance II Hackerrank Solution For Explanation Watch Video: Input Format You are not responsible for reading any input from stdin; a locked code stub will test your submission by calling the  add  method on an  Adder  object and passing it   integer parameters. Output Format You are not responsible for printing anything to stdout. Your  add  method must return the sum of its parameters. Sample Output The  main  method in the  Solution  class above should print the following: My superclass is: Arithmetic 42 13 20 Code: import  java.io.*; import  java.util.*; import  java.text.*; import  java.math.*; import  java.util.regex.*; class  Arithmetic{      public   int  add( int  a, int  b){          return  a+b;     } } class  Adder  extends  Arithmetic{    ...