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    <p>To print a variable length 2-D array, your inner loop runs from <code>0</code> to <code>the current row</code> length : -</p> <pre><code>for (int i = 0; i &lt; arr.length; i++) { for (int j = 0; j &lt; arr[i].length; j++) { // Closely see inner loop System.out.println(arr[i][j]); } } </code></pre> <p><code>arr[i]</code> is the current row. And <code>arr[i].length</code> gives the number of columns in that row.</p> <p><strong>You can infer it like this: -</strong></p> <ul> <li><code>arr</code> is a 2-D array.</li> <li>So, each element of your <code>arr</code> is a <code>1-D array</code>.</li> <li>So, <code>arr[i]</code> is a 1-D array. Which represents each row.</li> <li>To get number of columns in each row, you do <code>arr[i].length</code></li> </ul> <p>Now, you can apply the same thing in your problem.</p> <hr> <p>Actually, your <code>for loop</code> is running wrongly. Your <code>outer loop</code> is running from <code>col = 0 to col &lt; uneven.length</code>, but it should run from: - <code>row = 0 to row &lt; uneven.length</code></p> <p>So, your for loop should be like: -</p> <pre><code>for ( int row=0; row &lt; uneven.length; row++ ) { System.out.print("Row " + row + ": "); for( int col=0; col &lt; uneven[row].length; col++ ) { System.out.print( uneven[row][col] + " "); } System.out.println(); } </code></pre> <hr> <h2>UPDATED : -</h2> <p>Ok, I got your question wrong first. If you want to print <code>column wise</code>, you can use this code: -</p> <pre><code>int[][] uneven = { { 1, 3, 100, 6, 7, 8, 9, 10}, { 0, 2}, { 0, 2, 4, 5}, { 0, 2, 4, 6, 7}, { 0, 1, 4, 5 }, { 0, 1, 2, 3, 4, 5, 6 }}; int max = -1; for ( int row = 0; row &lt; uneven.length; row++ ) { if (uneven[row].length &gt; max) { max = uneven[row].length; } } System.out.println(max); for (int i = 0; i &lt; max; i++) { for (int j = 0; j &lt; uneven.length; j++) { if (uneven[j].length &lt;= i) { continue; } System.out.print(uneven[j][i] + " "); } System.out.println(); } </code></pre> <p>First you need to find the max among all number of columns in each row. </p> <p>Then run the loop again, from 0 to max columns. Now, since you have a lop for <code>columns</code>, now you need another one for <code>rows</code>. And that will be your inner loop.</p> <p>Now, in inner loop, you cannot just print the array element at the <code>(j, i)</code> index, because the current row might not have <code>max</code> number of columns. So, you need to put an <code>if-condition</code> to check that.</p>
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    1. USRohit Jain
    1. USRohit Jain
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    1. COmy problem is "HOW TO PRINT THE "COLUMN" " not printing the row sir :))
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      1. USChris Valenzuela
    2. COOhkay.. Let me see.
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    3. COFor that you would have to do some work. First you need to know the maximum length column among all the rows.
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