public static void main(String[] args) { int[] One1 = new int[5]; int[] One2 = {1,2,3,4,5}; int[] One3 = new int [] {1,2,3,4,5}; int[][] Two1={{1,2,3},{4,5,6}}; int[][] Two2 = new int[2][3]; int[][] Tow3 = new int[5][]; for(int i=0; i<Tow3.length;i++){ Tow3[i]=new int[i+1]; for(int j=0; j<Tow3[i].length;j++) Tow3[i][j]= i+j; } }