High Level Programming Langauge

$1$ L$./$ "file" is a sequence of characters stored in memory

char$[]$ file $\text{'}i\text{'},\text{'}n\text{'},\text{'}$s$\text{'},\text{'}p\text{'},\text{'}i\text{'},\text{'}r\text{'},\text{'}a\text{'},\text{'}t\text{'},\text{'}i\text{'},\text{'}$o$\text{'},\text{'}$n$\text{'},$

System.out.println$($file$)$; $//$ debug

int count $=0$;$\frac{,}{\frac{?}{?}}R2=0$

int pointer $=0$;$\frac{,}{\frac{?}{?}}R3=$ points to $1$st character

char userInput $=$ new Scanner$($

System.in$).$next$().$ charAt$(0)$; $//$ TRAP $0$x$23$

char charFromFile $=$ file$[$pointer$]$; $//$ R$1=$ M$[$R$3]$

while $($charFromFile $!=\text{'}\frac{\frac{?}{?}}{4}\text{'})$ R$1?=$ EOT

if $($charFromFile $==$ userInput$)?=$ R$0$

count $=$ count $+1$;$\frac{,}{\frac{?}{?}}R2=R2+1$

$\}$

pointer $=$ pointer $+1$;$\frac{,}{\frac{?}{?}}R3=R3+1$

charFromFile $=$ file$[$pointer$]$; $//$ R$1=$ M$[$R$3]$

$\}$

char charToPrint $=030$;$\frac{,}{\frac{?}{?}}R0=030$

charToPrint $+=$ count; $\frac{,}{\frac{?}{?}}R0=R2+R0$

System.out.println$($charToPrint$)$; $//$ TRAP x$21$

$5-57$