union { int num; char str[10]; // set array str maksimal 10 char } a[3][5]; a[0][0].str = "Friday"; a[1][0].num = 1; a[1][1].num = 2; a[1][2].num = 3; a[1][3].num = 4; a[1][4].num = 5; a[2][0].str = "Jumat";