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20 lines
566 B
Java
20 lines
566 B
Java
// "Collapse loop with stream 'forEach()'" "INFORMATION"
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import java.util.*;
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class A {
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public static void main(String[] args) {
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List<String> names = Arrays.asList("Bob", "Alice", "Bob", "Carol");
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Set<String> uniqNames = new HashSet<>(names.size());
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names.forEach(name -> uniqNames.add(makeNameUnique(name, uniqNames)));
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uniqNames.forEach(System.out::println);
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}
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private static String makeNameUnique(final String name, final Set<String> uniqNames) {
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if (uniqNames.contains(name)) {
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return name + "1";
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}
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return name;
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}
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} |