Java 从LinkedHashSet中删除指定的元素

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import java.util.LinkedHashSet;

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public class Main {

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  public static void main(String[] args) {

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    LinkedHashSet lhashSet = new LinkedHashSet();

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    lhashSet.add(new Integer("1"));

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    lhashSet.add(new Integer("2"));

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    lhashSet.add(new Integer("3"));

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    System.out.println("LinkedHashSet before removal : " + lhashSet);

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    boolean blnRemoved = lhashSet.remove(new Integer("2"));

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    System.out.println("Was 2 removed from LinkedHashSet ? " + blnRemoved);

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