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Computer Realtime Processing With Apache Spark Difficulty: Medium

. . . . . . . . method is used to include a projection schema, to specify the output fields.

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Which of these classes is used to read and write bytes in a file? YARN's dynamic allocation of cluster resources improves utilization over more static . . . . . . . . rules used in early versions of Hadoop. In C#, which keyword is used to declare an event that can be raised only by the declaring class or a derived class? In Java, can a subclass access private members (fields and methods) of its superclass? What will be the output of the following C# code? class maths { public int fun(int ii) { return(ii > 0 ? ii :ii * -1); } public long fun(long ll) { return(ll > 0 ? ll :ll * -1); } public double fun( double dd) { return(dd > 0 ? dd :dd * -1); } } class Program { static void Main(string[] args) { maths obj = new maths(); int i = -25; int j ; long l = -100000l ; long m; double d = -12.34; double e; j = obj.fun(i); m = obj.fun(l); e = obj.fun(d); Console.WriteLine(j + " " + m + " " + e); Console.ReadLine(); } }