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<h3>Method Detail</h3>
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<h4>start</h4>
<pre>public&nbsp;void&nbsp;start(int&nbsp;rows,
         int&nbsp;columns,
         int&nbsp;startRow,
         int&nbsp;endRow,
         int&nbsp;startColumn,
         int&nbsp;endColumn)</pre>
<div class="block">Start visiting a matrix.
 <p>This method is called once before any entry of the matrix is visited.</p></div>
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<dt><strong>Specif