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public class CaseStudy { | |
public void case1() { | |
ArrayList<String> users = new ArrayList<String>(Arrays.asList("Asep Dadang Supriadi", "Akmal Fuady", | |
"Yandi Fitriyanto")); | |
ArrayList<String> usersNew = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Ramadani")); | |
users.addAll(usersNew); | |
} | |
} |
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public class CaseStudy { | |
public void case2() { | |
ArrayList<String> users = new ArrayList<String>(Arrays.asList("Asep Dadang Supriadi", "Akmal Fuady", | |
"Yandi Fitriyanto")); | |
ArrayList<String> usersNew = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Ramadani")); | |
usersNew.addAll(users); | |
} | |
} |
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public void case3() { | |
ArrayList<String> users = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Ramadani", | |
"Asep Dadang Supriadi", "Akmal Fuady", "Yandi Fitriyanto")); | |
users.remove(users.size() - 1); | |
} |
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public void case4() { | |
ArrayList<String> users = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Ramadani", | |
"Asep Dadang Supriadi", "Akmal Fuady", "Yandi Fitriyanto")); | |
users.remove(0); | |
} |
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public void case5() { | |
ArrayList<String> inputOne = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "'Ramadani'", | |
"Asep Dadang Supriadi", "Akmal Fuady", "Yandi Fitriyanto")); | |
ArrayList<String> inputTwo = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Yandi Fitriyanto", | |
"Muhammad Sholeh", "Yadi Cahyadi")); | |
ArrayList<String> results = new ArrayList<String>(inputOne); | |
for (String name: inputTwo) { |
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public void case6() { | |
ArrayList<String> inputOne = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "'Ramadani'", | |
"Asep Dadang Supriadi", "Akmal Fuady", "Yandi Fitriyanto")); | |
ArrayList<String> inputTwo = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Yandi Fitriyanto", | |
"Muhammad Sholeh", "Yadi Cahyadi")); | |
ArrayList<String> results = new ArrayList<String>(); | |
for (String name: inputOne) { |
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public void case7() { | |
ArrayList<String> inputOne = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "'Ramadani'", | |
"Asep Dadang Supriadi", "Akmal Fuady", "Yandi Fitriyanto")); | |
ArrayList<String> inputTwo = new ArrayList<String>(Arrays.asList("Ricky Andika Putra", "Yandi Fitriyanto", | |
"Muhammad Sholeh", "Yadi Cahyadi")); | |
ArrayList<String> results = new ArrayList<String>(); | |
for (String name: inputOne) { |
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public void case8() { | |
Map<String, String> users = new LinkedHashMap<String, String>(); | |
users.put("user1@example.com", "Adimas Lutfi Wicaksono"); | |
users.put("user2@example.com", "Salman Alfarisi"); | |
users.put("user3@example.com", "Muhammad Sholeh"); | |
users.put("user4@example.com", "Yadi Cahyadi"); | |
users.put("user5@example.com", "Maya Maulani"); | |
users.keySet(); | |
} |
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public void case9() { | |
Map<String, String> users = new LinkedHashMap<String, String>(); | |
users.put("user1@example.com", "Adimas Lutfi Wicaksono"); | |
users.put("user2@example.com", "Salman Alfarisi"); | |
users.put("user3@example.com", "Muhammad Sholeh"); | |
users.put("user4@example.com", "Yadi Cahyadi"); | |
users.put("user5@example.com", "Maya Maulani"); | |
System.out.println(users.values()); | |
} |
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public void case10() { | |
ArrayList<String> names = new ArrayList<String>(Arrays.asList("Adimas Lutfi Wicaksono", "Salman Alfarisi", | |
"Adimas Lutfi Wicaksono", "Muhammad Sholeh", "Yadi Cahyadi", "Maya Maulani", "Maya Maulani")); | |
HashSet<String> uniqueNames = new LinkedHashSet<String>(names); | |
System.out.println(uniqueNames.toString()); | |
} |
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