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Computer MySQL Difficulty: Medium

Which of the following is not a random tree? What is the role of the `init()` method in Java Servlets? What will be the output of the following C++ code? #include <iostream> #include <string> #include <tuple> using namespace std; int main() { tuple <int, char, string> tp1; tuple <int, char, string> tp2; tp1 = make_tuple(6, 'a', "Hello"); tp2 = make_tuple(9, 'z', "World"); cout<<"("<<get<0>(tp1)<<", "<<get<1>(tp1)<<", "<<get<2>(tp1)<<")"<<endl; cout<<"("<<get<0>(tp2)<<", "<<get<1>(tp2)<<", "<<get<2>(tp2)<<")"<<endl; tp1.swap(tp2); cout<<"("<<get<0>(tp1)<<", "<<get<1>(tp1)<<", "<<get<2>(tp1)<<")"<<endl; cout<<"("<<get<0>(tp2)<<", "<<get<1>(tp2)<<", "<<get<2>(tp2)<<")"<<endl; return 0; } A rectangle represents which of the following in an ERD? What will be the output of the following Java program? class Output { public static void main(String args[]) { String str = "true false true"; boolean x = Boolean.valueOf(str); System.out.print(x); } }