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Computer Miscellaneous On Data Structures Difficulty: Medium

What is the purpose of the ensure keyword in Ruby? What will be the output of the following C++ code? #include <iostream> using namespace std; template <class type> class Test { public: Test() { }; ~Test() { }; type Funct1(type Var1) { return Var1; } type Funct2(type Var2) { return Var2; } }; int main() { Test<int> Var1; Test<double> Var2; cout << Var1.Funct1(200); cout << Var2.Funct2(3.123); return 0; } What will be the output of the following Java program? class newthread extends Thread { Thread t; String name; newthread(String threadname) { name = threadname; t = new Thread(this,name); t.start(); } public void run() { } } class multithreaded_programing { public static void main(String args[]) { newthread obj1 = new newthread("one"); newthread obj2 = new newthread("two"); try { System.out.print(obj1.t.equals(obj2.t)); } catch(Exception e) { System.out.print("Main thread interrupted"); } } } The node directly above a node is called Which of the following is mandatory to run before running YSlow?