Pattern exercises for java

      // Outer loop to print each of the rows
      for (int row = 1; row <= size; row++) {  // row = 1, 2, 3, ..., size
         // Inner loop to print each of the columns of a particular row
         for (int col = 1; col <= size; col++) {  // col = 1, 2, 3, ..., size
            if ((row % 2) == 0) {   // row 2, 4, 6, ...
               ......
            }
            System.out.print( ...... );   // Use print() without newline inside the inner loop
            ......
         }
         // Print a newline after printing all the columns
         System.out.println();
      }

Source: www3.ntu.edu.sg

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