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Testing framework for Java

There is a newer version: 7.10.1

package org.testng.collections;

import java.util.Collection;
import java.util.Map;

public final class CollectionUtils {

  private CollectionUtils() {}

  public static boolean hasElements(Collection c) {
    return c != null && ! c.isEmpty();
  }

  public static boolean hasElements(Map c) {
    return c != null && ! c.isEmpty();
  }

}