What is the output of this program?
import java.util.*;
public class genericstack {
Stack stk = new Stack ();
public void push(E obj) {
stk.push(obj);
}
public E pop() {
E obj = stk.pop();
return obj;
}
}
class Output {
public static void main(String args[]) {
genericstack gs = new genericstack();
gs.push(36);
System.out.println(gs.pop());
}
}
What is the output of this program?
import java.util.*;
class Output {
public static void addNumbers(List list) {
for (int i = 1; i <= 10; i++) {
list.add(i);
}
}
public static void main(String args[]) {
List ld = Arrays.asList();
addnumbers(10.4);
System.out.println("getList(2)");
}
}
What is the output of this program?
import java.util.*;
class Output {
public static double sumOfList(List list) {
double s = 0.0;
for (Number n : list)
s += n.doubleValue();
return s;
}
public static void main(String args[]) {
List ld = Arrays.asList(1.2, 2.3, 3.5);
System.out.println(sumOfList(ld));
}
}
What is the output of this program?
import java.util.*;
class Output {
public static double sumOfList(List list) {
double s = 0.0;
for (Number n : list)
s += n.doubleValue();
return s;
}
public static void main(String args[]) {
List li = Arrays.asList(1, 2, 3);
System.out.println(sumOfList(li));
}
}
Which of the following keywords are used for lower bounding a wild card?