methods to produce the list of students who have taken CS210 and CS211 but not CS212?public class Program {public static void main(String[] args) {HashSet cs210 = new HashSet< >();HashSet cs211 = new HashSet< >();HashSet cs212 = new HashSet<>();// add names for CS210cs210.add("Ed");cs210.add("Jenny");cs210.add("Eva");// add names for CS211cs211.add("Jenny");cs211.add("Eva");cs211.add("Grace");1// add names for CS212cs212.add("Chloe");cs212.add("Jenny");cs212.add("Grace");Sample Output:[Eva]// Add statement (s) here to produce the correct output.// You must use the 'set operations'.// .HashSet temp = new HashSet<>(cs212);temp.retainAll(cs210);temp.removeAll(cs211);QSystem.out.println(temp.toString());HashSet temp = new HashSet<>(cs210);F12F2W#380F3E$4F4R%сторо5F5T6F6 SCCanvasSample Output:[Eva]1O HashSet temp = new HashSet<>(cs212);temp.retainAll(cs210);temp.removeAll(cs211);System.out.println(temp.toString());O HashSet temp = new HashSet<>(cs210);temp.retainAll(cs211);temp.removeAll(cs212);System.out.println(temp.toString());O HashSet temp = new HashSet<>(cs210);temp.retainAll(cs211);temp.removeAll(cs212);temp.removeAll(cs211);System.out.println(temp.toString());HashSet temp = new HashSet<>(cs210);temp.retainAll(cs211);temp.retainAll(cs212);temp.removeAll(cs210);temp.removeAll(cs211);Question 8System.out.println(temp.toString());Which one of the following code fragments completes the following method using the 'keySet' ancloop' to produce the following output. keySet method returns a set of all keys in the map.public class Collections {F12F2#380F3$4QF4%59F56F

You can use Java's set operations to generate a list of students who have taken both CS210 and CS211…

} } methods to produce the list of students who have taken CS210 and CS211 but not CS212? public class Program { public static void main(String[] args) { HashSet cs210 = new HashSet< >(); HashSet cs211 = new HashSet< >(); HashSet cs212= new HashSet< >(); // add names for CS210 cs210.add("Ed"); cs210.add("Jenny"); cs210.add("Eva"); // add names for CS211 cs211.add("Jenny"); cs211.add("Eva"); cs211.add("Grace"); // add names for CS212 cs212.add("Chloe"); cs212.add("Jenny"); cs212.add("Grace"); // Add statement(s) here to produce the correct output. // You must use the 'set operations'. // ... Sample Output: [Eva]

} } methods to produce the list of students who have taken CS210 and CS211 but not CS212? public class Program { public static void main(String[] args) { HashSet cs210 = new HashSet< >(); HashSet cs211 = new HashSet< >(); HashSet cs212= new HashSet< >(); // add names for CS210 cs210.add("Ed"); cs210.add("Jenny"); cs210.add("Eva"); // add names for CS211 cs211.add("Jenny"); cs211.add("Eva"); cs211.add("Grace"); // add names for CS212 cs212.add("Chloe"); cs212.add("Jenny"); cs212.add("Grace"); // Add statement(s) here to produce the correct output. // You must use the 'set operations'. // ... Sample Output: [Eva]

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Concept of memory addresses in pointers

The concept of pointers in high-level languages was introduced in C programming. Pointers are simply the variables that are used to store memory addresses of another variable. These special variables are generally used in the languages such as C Programming and C++ Programming, where it allows the programmer to work more deeply with memory and its addresses.

Question

methods to produce the list of students who have taken CS210 and CS211 but not CS212?
public class Program {
public static void main(String[] args) {
HashSet<String> cs210 = new HashSet< >();
HashSet<String> cs211 = new HashSet< >();
HashSet<String> cs212 = new HashSet<>();
// add names for CS210
cs210.add("Ed");
cs210.add("Jenny");
cs210.add("Eva");
// add names for CS211
cs211.add("Jenny");
cs211.add("Eva");
cs211.add("Grace");
1
// add names for CS212
cs212.add("Chloe");
cs212.add("Jenny");
cs212.add("Grace");
Sample Output:
[Eva]
// Add statement (s) here to produce the correct output.
// You must use the 'set operations'.
// .
HashSet<String> temp = new HashSet<>(cs212);
temp.retainAll(cs210);
temp.removeAll(cs211);
Q
System.out.println(temp.toString());
HashSet<String> temp = new HashSet<>(cs210);
F1
2
F2
W
#3
80
F3
E
$
4
F4
R
%
сторо
5
F5
T
6
F6

SC
Canvas
Sample Output:
[Eva]
1
O HashSet<String> temp = new HashSet<>(cs212);
temp.retainAll(cs210);
temp.removeAll(cs211);
System.out.println(temp.toString());
O HashSet<String> temp = new HashSet<>(cs210);
temp.retainAll(cs211);
temp.removeAll(cs212);
System.out.println(temp.toString());
O HashSet<String> temp = new HashSet<>(cs210);
temp.retainAll(cs211);
temp.removeAll(cs212);
temp.removeAll(cs211);
System.out.println(temp.toString());
HashSet<String> temp = new HashSet<>(cs210);
temp.retainAll(cs211);
temp.retainAll(cs212);
temp.removeAll(cs210);
temp.removeAll(cs211);
Question 8
System.out.println(temp.toString());
Which one of the following code fragments completes the following method using the 'keySet' anc
loop' to produce the following output. keySet method returns a set of all keys in the map.
public class Collections {
F1
2
F2
#3
80
F3
$
4
Q
F4
%
5
9
F5
6
F

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