=====================================================================
Found a 30 line (116 tokens) duplication in the following files: 
Starting at line 234 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 282 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 331 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 380 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 428 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 476 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
                                    byte[] actual) {
        if (Arrays.equals(expected, actual)) {
            return;
        }

        String formatted = "";
        if (message != null) {
            formatted = message + " ";
        }

        Assert.assertNotNull(formatted + "expected array: <not null> but was <null>", expected);
        Assert.assertNotNull(formatted + "expected array: <null> but was <not null>", actual);
        Assert.assertEquals(formatted + "[array length] ", expected.length, actual.length);
        for (int i = 0; i < actual.length; i++) {
            Assert.assertEquals(formatted + "[position " + i + "]", expected[i], actual[i]);
        }
    }

    /**
     * Asserts that two arrays are equal. Two arrays are considered equal if:
     * <ul>
     * <li>their respective lengths are the same</i>
     * <li>all corresponding pairs of elements are equal
     * <li>both array references are <code>null</code>
     * </ul>
     *
     * @param expected a byte array of expected values
     * @param actual a byte array of actual values
     */
    public static void assertEquals(byte[] expected,
=====================================================================
Found a 31 line (116 tokens) duplication in the following files: 
Starting at line 150 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 184 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
                                    float delta) {
        if (Arrays.equals(expected, actual)) {
            return;
        }

        String formatted = "";
        if (message != null) {
            formatted = message + " ";
        }

        Assert.assertNotNull(formatted + "expected array: <not null> but was <null>", expected);
        Assert.assertNotNull(formatted + "expected array: <null> but was <not null>", actual);
        Assert.assertEquals(formatted + "[array length] ", expected.length, actual.length);
        for (int i = 0; i < actual.length; i++) {
            Assert.assertEquals(formatted + "[position " + i + "]", expected[i], actual[i], delta);
        }
    }

    /**
     * Asserts that two arrays are equal. Two arrays are considered equal if:
     * <ul>
     * <li>their respective lengths are the same</i>
     * <li>all corresponding pairs of elements are equal (within the delta range)
     * <li>both array references are <code>null</code>
     * </ul>
     *
     * @param expected a float array of expected values
     * @param actual a float array of actual values
     * @param delta tolerated delta
     */
    public static void assertEquals(float[] expected,
=====================================================================
Found a 15 line (105 tokens) duplication in the following files: 
Starting at line 150 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
Starting at line 234 of /home/tom/pmd/pmd-web/src/junit-addons/src/main/junitx/framework/ArrayAssert.java
                                    long[] actual) {
        if (Arrays.equals(expected, actual)) {
            return;
        }

        String formatted = "";
        if (message != null) {
            formatted = message + " ";
        }

        Assert.assertNotNull(formatted + "expected array: <not null> but was <null>", expected);
        Assert.assertNotNull(formatted + "expected array: <null> but was <not null>", actual);
        Assert.assertEquals(formatted + "[array length] ", expected.length, actual.length);
        for (int i = 0; i < actual.length; i++) {
            Assert.assertEquals(formatted + "[position " + i + "]", expected[i], actual[i]);