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  * fb-contrib - Auxiliary detectors for Java programs
  * Copyright (C) 2005-2014 Dave Brosius
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
package com.mebigfatguy.fbcontrib.detect;
looks for method calls to collection classes where the method is not defined by the Collections interface, and an equivalent method exists in the interface.
public class NonCollectionMethodUse extends BytecodeScanningDetector
	private static Set<StringoldMethods = new HashSet<String>();
	static {
constructs a NCMU detector given the reporter to report bugs on

bugReporter the sync of bug reports
	public NonCollectionMethodUse(BugReporter bugReporter) {
		this. = bugReporter;
	public void sawOpcode(int seen) {
		if (seen == INVOKEVIRTUAL) {
			String methodName = getNameConstantOperand();
			String methodSig = getSigConstantOperand();
			String methodInfo = className + "." + methodName + methodSig;
			if (.contains(methodInfo)) {
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