input: [0] Java keyword [1] N/A [2] N/A [3] N/A [4] ... [5] N/A [6] private [8] public [9] N/A [10] N/A [11] return [12] byte [13] final [14] N/A [15] short [16] N/A [17] N/A [18] static [19] N/A [20] N/A [21] switch [22] this [7] 
output: N/A