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Author Question: Which of the following can be used to replace YYYYYYYY in the following code? public class ... (Read 79 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
on: May 6, 2020

Question 1

Is ArrayList same as ArrayList?
◦ Yes
◦ No

Question 2

Which of the following can be used to replace YYYYYYYY in the following code?

public class WildCardDemo3 {
public static void main(String[] args) {
​GenericStack stack1 = new GenericStack();
​GenericStack stack2 = new GenericStack();
​stack2.push("Java");
​stack2.push(2);
​stack1.push("Sun");
​add(stack1, stack2);
​WildCardDemo2.print(stack2);
}

public static void add(GenericStack stack1,
​GenericStack stack2) {
​while (!stack1.isEmpty())
​stack2.push(stack1.pop());
}
}

◦ ? super Object
◦ ? super T
◦ ? extends Object
◦ ? extends T
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Marked as best answer by j.rubin on May 6, 2020

ricroger

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Reply #1 on: May 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Only 39% of students answer this correctly


j.rubin

  • Member
  • Posts: 557
Reply 2 on: May 6, 2020
Excellent

atrochim

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  • Posts: 331
Reply 3 on: Yesterday
Great answer, keep it coming :)

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