#include iostreamusing namespace std;namespace first{int var = 2;}namespace second{double var = 8.1416;}int main (){int a;a = first::var + second::var;cout a;return 0;}
char str[80];char * p;p = str;
#includeiostreamCorrect Option will be:using namespace std;class Test{private:int x;public:Test(int x = 0) { this-x = x; }void change(Test *t) { this = t; }void print() { cout x endl; }};int main(){Test obj(5);Test *ptr = new Test (10);obj.change(ptr);obj.print();return 0;}
public class Main{public static void main(String[] args} {ArrayListIntegerintegers=new ArrayList();System.out.println("Enter 5 numbers : ");Scanner input=new Scanner(System.in);for(int i=0; i5; i++) {int temp=input.nextInt();if(!integers.contains(temp))integers.add(temp);}Collections.sort(integers);System.out.println(Integers);}