Category: Uncategorized

class Untitled { public static void genPal1() { for( int x = 0; x

import java.io.FileNotFoundException; import java.util.Scanner; import java.io.FileReader; import java.io.PrintWriter; public class Project { public static void main(String[] args) throws FileNotFoundException { String line, rev; int x; Scanner inFile = new Scanner(new FileReader(“Word Salad”)); PrintWriter outFile = new PrintWriter(“copy.txt”); while ( inFile.hasNext() ) { line = inFile.next().toUpperCase(); //System.out.println(line); rev = “”; for ( x = line.length() – … Read More “Project 5 Showcase” »

if (player == ‘S’) { if (computer == ‘B’) { System.out.println(“Computer wins with ” + names[rand] + “.”); } else if (computer == ‘P’) { System.out.println(“Computer had ” + names[rand] + “. You won with ” + names[choices.indexOf(player)] + “.”); wins++; } else { System.out.println(“It’s a draw!”); } } else if (player == ‘P’) { … Read More “Project 4 Showcase” »

String number; int radix; for (int i = 0; i < args.length; i++) { number = args[i].substring(0,args[i].indexOf(':')); radix = Integer.parseInt(args[i].substring(args[i].indexOf(':') + 1)); System.out.println(number + " base " + radix + " is " + Integer.parseInt(number, radix) + " base 10."); } if(args.length>0){ //Checking for input from user for(String input:args){ //Loop to parse //Find the numerical … Read More “Variations on a theme – 111 – Project 1” »

(Updated November 23, 2024) FactorialIter.javaOpen in JDoodle public class FactorialIter { public static int fact(int n) { int prod = 1; if ( n < 0 ) throw new IllegalArgumentException("Value cannot be negative."); for (int i = n; i > 1; i–) prod = prod * i; return prod; } public static void main(String [] … Read More “TEST JDoodle” »

(Updated November 18, 2024) Printing.asmLoad Workspace define CHROUT $ffd2 ldx #0 ; set index to zero print: lda words,x ; load a letter from words beq done ; if it’s the zero, we’re done jsr CHROUT ; print the character inx ; increment the index bne print ; keep printing done: brk ; end! ; … Read More “TEST 6502” »

Overview Sometimes, we have data in one form that needs to be put into another as code or storage in a database. Many editors, like Sublime Text, have Find/Replace tools for complex data transformations. IntelliJ has a similar facility within its editor (Edit/Find/Replace). This brief tutorial explains some regexes (regular expressions) used to achieve quick … Read More “Data Transformation with Regex” »

(Updated February 8, 2025) Overview In case anyone is having trouble getting started, here are a few screenshots of how your environment in IntelliJ must look. Here is the view with the TokenType enumeration. Another view with the main code. And a final view with the 6502 test program. The Record section of the textbook … Read More “CISS-111 Project 2 Getting Started” »

People who know me are familiar with how, generally, I’m not too fond of clever solutions. This is because clever ones often are flawed in some subtle way that leads to bugs later. I prefer clear, precise solutions. The situation below was a little different, and now I task you with solving the same problem … Read More “Your first example of a clever solution.” »

Overview The memory layout of Windows is a bit more complex than that of Linux. While we have seen some of the Linux memory model, it is also a good idea to get a sense of how other OSes perform similar memory virtualization. Get the Software Login to your Windows 10 guest and get the … Read More “CISS-150 Windows Memory” »