What is the contents of the variable `map` after the following operations. 1 import java.util.HashMap; 2 import java.util.Map; 3 public class MapTest { 4 public static void main(String[] args) { Map map = new HashMap(); map.put(1, "A"); map.put(4, "B"); map.put(3, "C"); map.put(2, "D"); map.put(5, null); 7 8 9. 10 11 12 13 } 14 15 }

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
What is the contents of the variable `map` after the following operations.
1
import java.util.HashMap;
2
import java.util.Map;
public class MapTest {
4
public static void main(String[] args) {
Map<Integer, Object> map = new HashMap<Integer, Object>);
map.put(1, "A");
map.put(4, "B");
map.put(3, "C");
map.put(2, "D");
map.put(5, null);
5
8
10
11
12
13
}
14
15
}
O {1=A, 2=D, 3=C, 4=B}
Compilation Error
(А, В, С, D}
{1=A, 2=D, 3=C, 4=B, 5=null}
Transcribed Image Text:What is the contents of the variable `map` after the following operations. 1 import java.util.HashMap; 2 import java.util.Map; public class MapTest { 4 public static void main(String[] args) { Map<Integer, Object> map = new HashMap<Integer, Object>); map.put(1, "A"); map.put(4, "B"); map.put(3, "C"); map.put(2, "D"); map.put(5, null); 5 8 10 11 12 13 } 14 15 } O {1=A, 2=D, 3=C, 4=B} Compilation Error (А, В, С, D} {1=A, 2=D, 3=C, 4=B, 5=null}
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