Examples of java.util.TreeSet.first()

java.util.TreeSet.first()
@throws NoSuchElementException {@inheritDoc}

            // current log file
            copy.remove(_logs.last());


            // process each of the remaining log files
            while (copy.size() > 0) {
                TransactionLog log = (TransactionLog) copy.first();
                copy.remove(log);
                if (log.canGarbageCollect()) {
                    // destroy the log
                    log.destroy();

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        ss.add(m);
      }
    }
    
    if (ss.size() > 0) {
      MimeType m = (MimeType)ss.first();
      return m.getType();
    }
    return null;
  }

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        ss.add(m);
      }
    }
    
    if (ss.size() > 0) {
      MimeType m = (MimeType)ss.first();
      return m.getType();
    }
    return null;
  }

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        ss.add(m);
      }
    }


    if (ss.size() > 0) {
      MimeType m = (MimeType)ss.first();
      return m.getType();
    }
    return null;
  }

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        ss.add(m);
      }
    }


    if (ss.size() > 0) {
      MimeType m = (MimeType)ss.first();
      return m.getType();
    }
    return null;
  }

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  }


  public void visitPUTFIELD(PUTFIELD pi) {
    TreeSet objRefDependences = after.getStack(1);
    if (!(objRefDependences.size() == 1 
        && objRefDependences.first().toString().equals("L0")))
      throw new IllegalArgumentException(
          "sets field in some other class (PUTFIELD)");
    after.addToField(after.pop(), pi.getIndex());
    after.addToField(after.getControl(), pi.getIndex());
    after.pop();

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  }


  public void visitGETFIELD(GETFIELD g) {
    TreeSet objRefDependences = after.getStack(0);
    if (!(objRefDependences.size() == 1 
        && objRefDependences.first().toString().equals("L0")))
      throw new IllegalArgumentException(
          "depends on field from some other class (GETFIELD)");
    after.pop();
    after.push(new FieldDependence(g.getIndex(), 
                                   g.getName(cpoolgen),

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    TreeSet toBeConsidered = new TreeSet();
    toBeConsidered.add(new Integer(head));
    finished:
      while (true) {
        if (toBeConsidered.size() == 0) break finished;
        Integer consider = (Integer)toBeConsidered.first();
        if (toBeConsidered.size() == 1) singles.add(consider);
        toBeConsidered.remove(consider);
        visited.add(consider);
        for (Iterator iter = getBlock(consider.intValue()).successors.iterator();
          iter.hasNext(); ) {

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            while (!changedUnitsSet.isEmpty()) {
                Object beforeFlow;
                Object afterFlow;


                Object s = changedUnitsSet.first();
                changedUnitsSet.remove(s);


                copy(unitToAfterFlow.get(s), previousAfterFlow);
                // Compute and store beforeFlow
                {

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    }


    public InterfaceDefinedMethodTestCase() {
        SortedSet ss = new TreeSet();
        ss.add("foo"); // Warning, add is in super interface
        ss.first(); // Ok, first is in SortedSet


        try {
            Set s = ss;
            s.add("bar"); // Ok, add is in Set
            throw new NullPointerException("fake");

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