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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12.  
  13.         // Example usage
  14.         String[] input = {"1", "2", "3", "x", "5", "6", "a", "baaaaaaasdfasdf", "c", "10", 
  15.                           "11", "12", "13", "14", "15", "16"};
  16.  
  17.    int numCols = 5; // Fixed number of columns
  18.         int rows = (int) Math.ceil((double) input.length / numCols); // Calculate number of rows
  19.         int[] maxColWidths = new int[numCols]; // Array to store max widths for each column
  20.  
  21.         // Step 1: Calculate the max width for each column
  22.         for (int i = 0; i < input.length; i++) {
  23.             int colIndex = i % numCols;
  24.             maxColWidths[colIndex] = Math.max(maxColWidths[colIndex], input[i].length());
  25.         }
  26.  
  27.         // Step 2: Print the table with the proper spacing
  28.         for (int i = 0; i < rows; i++) {
  29.             StringBuilder line = new StringBuilder();
  30.             for (int j = 0; j < numCols; j++) {
  31.                 int index = i * numCols + j;
  32.                 if (index < input.length) {
  33.                     line.append(input[index]); // Append the string in the cell
  34.  
  35.                     // Calculate and add the padding
  36.                     if (j < numCols - 1) { // No padding needed after the last column
  37.                         int spaces = maxColWidths[j] - input[index].length() + 4; // 4 spaces between columns
  38.                         for (int k = 0; k < spaces; k++) {
  39.                             line.append(" ");
  40.                         }
  41.                     }
  42.                 }
  43.             }
  44.             System.out.println(line.toString().trim()); // Print the line
  45.         }
  46.  
  47.  
  48.  
  49. 	}
  50. }
Success #stdin #stdout 0.07s 54876KB
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stdin
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Standard input is empty
stdout
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1     2     3                  x     5
6     a     baaaaaaasdfasdf    c     10
11    12    13                 14    15
16
https://ideone.com/w9jfDn
language:
Java (HotSpot 12)
created:
58 days ago
visibility:
public

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