StackPT stk$1-$ new ArrayStackPT$(8)$; StackPT stk$2=$ new ArrayStaekPT$(8)$; StackPT stk$3-$ new ArrayStackPT$(8)$; StackPT stk$4-$ new ArrayStackPT$(8)$; QueuePT q$1=$ new ArrayQueuePT$(8)$; int n$=30$; while $($n$>0)\{$ stk$1.$push$($n$\backslash \%4+1)$; n$=$n$/4$; $\backslash \}$ String result $=""$ ; while $($Istk$1.$isEmpty$0)$ result $+=$ stkl$.$pop $0+"=\backslash \}$ System.out.printin$("$the output of stk$1$ :$"\text{'}+$result$)$: $//$ for $($inti$=0$;i$<8$;i$++]$ stk$3.$push$($i$*5)$; stk$2.$push$($stk$3.$pop$0"2)$: stk$2.$push$($stk$3.$pop$(0)"2$; stk$2.$push$($stk$3.$pop$0))2$ : result $=$

$="$

; while $(\text{'}$stk$2$ isEmpty$0)\backslash \{$ result $+=$ stk$2.$pop $0+"$; $\backslash \}$ System.out.printin$("$the output of stk$2$ : $"+$result$)$: $//$ for$($int i$=0$;i$<8$;i$++)\backslash \{$ if$($i$\backslash \%4==0)$ stk$4.$push$($i$+($int$)$stk$3.$pop$0)$; result$=""$; while $(($stk$4.$isEmpty $0)\{$ result $+=$ stk$4.$pop$0+""$; $\backslash \}$ System.out.printin$("$the output of stk$4$ : $"+$result$)$; $//$ int limit $=5$; for$($int i$=0$;$1<$ limit: i$++)\{$ q$1.$enqueue$(($int$)$Math$.$pow$($i$,$i$))$; result $=""$; while $($lq$1.$isEmpty$0)\backslash \{$ result $+=$ q$1.$dequeue$0+"$; $\backslash \}$ System.out.printin$("$the optput of a$1$ : $"+$result$)$; $//\backslash \}\backslash \}$