misiaki by BB

Online Java compilers

topcia — 2019-09-02 14:55:25 UTC

https://ideone.com/

https://www.tutorialspoint.com/compile_java_online.php

Java books and tutorials

topcia — 2019-09-02 14:56:18 UTC

0. Introduction to Programming in Java : An Interdisciplinary Approach

https://helion.pl/ksiazki/programowanie-w-jezyku-java-podejscie-interdyscyplinarne-wydanie-ii-robert-sedgewick-kevin-wayne,prjaid.htm#format/d
1. Java. Fundamentals

https://helion.pl/ksiazki/java-podstawy-wydanie-x-cay-s-horstmann,javp10.htm
2. Java. Head first

https://helion.pl/ksiazki/java-rusz-glowa-wydanie-ii-kathy-sierra-bert-bates,javrg2.htm
3. Documentation
https://docs.oracle.com/javase/tutorial/
4. Tutorials
https://javastart.pl/static/darmowy-kurs-java/ https://www.javatpoint.com/java-tutorial
5. YouTube tutorial
https://www.youtube.com/watch?v=3u1fu6f8Hto

Java software

topcia — 2019-09-02 15:05:54 UTC

1. JDK 8 (Java Development Kit)
https://oraclemirror.np.gy/jdk8/
or
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2. IntelliJ IDEA Community (IDE)
https://www.jetbrains.com/idea/download/#section=windows

Exercises (conditionals and math functions)

topcia — 2019-09-02 15:16:34 UTC

1. Print a sign of a given number (whether it is positive, negative or zero).
2. Give a test grade (A, B, C, D or F) for a student with marks from 0 to 100. State your own boundaries.
2. Find max value from 3 given numbers.
3. Find min value from 4 given numbers.
4. Solve the quadratic equation from the coefficients.
5. Test whether 3 given numbers can be the sides of a triangle (do they respect the triangular inequality?). Check whether this is a right triangle or not. Compute its area, perimeter and angles.
6*. Print number of days from a given month and year. Note a leap year. Compute the date of the next day.

Lesson 1

topcia — 2019-09-02 15:19:40 UTC

Variables:
https://www.baeldung.com/java-primitives
Conditional statements:
https://www.programiz.com/java-programming/if-else-statement
Java Math class:
https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html

HL - Recursion

topcia — 2019-09-04 15:34:49 UTC

Methods

topcia — 2019-09-10 09:27:09 UTC

1. The calculator.
2. Adding hours in the clock.
3. Print number of days from a given month and year. Note a leap year.
https://www.programiz.com/java-programming/methods

Konkurs

topcia — 2019-09-10 18:04:11 UTC

Kółka informatyczne

topcia — 2019-09-10 18:27:28 UTC

ankieta

HL - Recursion

topcia — 2019-09-11 16:47:35 UTC

Logic

topcia — 2019-09-12 16:42:13 UTC

Book [Core CS] p. 102 - 122
Construct a truth table for the following Boolean expressions:
(A AND B) NOR C
A XOR (B OR C)
NOT (A OR B) AND (A NOR B)
(NOT A OR A) XOR (B AND NOT B)
((P NOR Q) NAND S) AND (P XOR S)

You can check your answers here: https://www.wolframalpha.com/

More info here:
http://ib.compscihub.net/wp-content/uploads/2018/06/2.1.12.pdf

While loop

topcia — 2019-09-12 16:49:27 UTC

Book [CSaIA] p. 53 - 89
1. Add numbers from 1 to 100 inclusive.
2. Add even numbers from 1 to 100 inclusive.
3. Add numbers from 1 to 100 that are divided by 7.
4. Take a number n from the user. Print n-first elements of the Fibonacci sequence.
5. Collect two numbers a and b from the user. Compute a^b.
6*. Create the Pascal triangle (normal and colorised).

Arrays

topcia — 2019-09-16 17:32:38 UTC

1. For a given array of numbers find:
a. the sum of the elements
b. the average value (arithmetic mean)
c. the geometric mean
d. the standard deviation
e. the max value
f. the min value
g*. the mode (the value that appears most often)
2. For a given array of numbers and a number:
a. check if this numer is present in the array or not (T/F)
b. calculate how many times
c. return index of first appearance
d. return indexes of all appearances
https://docs.oracle.com/javase/8/docs/api/java/util/Arrays.html
Important methods: equals, fill, sort, toString.

logic.ly / Logisim

topcia — 2019-09-18 16:18:38 UTC

Strings and arrays

topcia — 2019-09-18 16:39:11 UTC

Strings:
{"Adam", "Ola", "Ela", "Ewa", "adam", ""}
1. Check if the array contains given string.
2. Calculate how many times given name is present in the array.
3. Calculate how many times the array contains name starting with given letter.
4. Construct an array with names starting with given letter.
5. Find the longest word in the array.
6. Find the shortest word(!) in the array.
7. Correct names in the array.
8. Check how many times given letter is present in the array.

User input:
" aDam " - > "Adam"
"nowak, andrzej " -> "Andrzej Nowak"
" 600.600-600 " -> "600 600 600"
9. Transform user inputs to more appropriate form.

Important methods:
charAt, concat, compareTo, contains, endsWith, equals, indexOf, isEmpty, length, replace, split, startsWith, substring, toLowerCase, toUpperCase, trim.

HL - recurrence in arrays

topcia — 2019-09-18 16:42:50 UTC

- memoization
- reversing an array
- palindrom checking
- binary search

Homework

topcia — 2019-09-26 17:46:06 UTC

Arrays

topcia — 2019-09-26 18:34:39 UTC

1. Create pseudo-random array.
2. Create method that calculate average value of the elements from index 0 do k.
3. Create method that calculate how many elements in the array are between given boundaries.
4. Calculate digit sum.
5. Calculate how many times given digit is present in the number.
6. Calculate how many times all digits are present int the array of numbers.
7*. Calucate how many times certain days of the week (MONDAY etc.) are present in the array of LocalDates: today, yesterday, tomorrow and few pseudo-random.

Classic Puzzle - Easy (October challenge and homework)

topcia — 2019-10-03 19:17:48 UTC

The Descent,
Temperatures,
Power of Thor,
Chuch Norris,
Mars Lander,
ASCII Art,
MIME Type,
Defibrillators,
Horse-racing Duals

IntelliJ shortkeys

topcia — 2019-10-08 18:54:17 UTC

HL

topcia — 2019-10-09 18:32:41 UTC

L-systems

File I/O

topcia — 2019-10-11 06:32:12 UTC

HL - code

topcia — 2019-10-17 10:43:31 UTC

Change-making problem

topcia — 2019-10-21 11:16:16 UTC

Caesar cipher

topcia — 2019-10-21 11:18:16 UTC

Kółka z informatyki

topcia — 2019-10-21 11:29:42 UTC

1. Wtorek, godz. 15:30 - 17:00
Programowanie dla średnio-zaawansowanych w Javie:
- projektowanie prostych gier (2048, tetris, snake)

2. Czwartek, godz. 15:30 - 17:00
Sztuczna inteligencja (dla średnio-zaawansowanych):
- algorytmy genetyczne i sieci neuronowe od podstaw
- aplikacje mobilne na Androida

3. Środa, godz. 15:30 - 17:00 (zapisy u p. Głuskiego)
Nauka programowania od podstaw w C++

Olimpiada Lingwistyki Matematycznej

topcia — 2019-10-22 07:48:59 UTC

czwartek godz. 8.00 - 10.00

Test

topcia — 2019-10-22 11:34:12 UTC

int[] numbers = {1, 4, 15, 17, 23, 36};
String[] names = {"Adam", "John", "Alex", "Zoe", "Mark", "Luce"};
int givenNumber = 22_746_332;

Create the following methods:
1. Calculate average number.
2. Return index of first appearance or -1 for numbers array (linear search / *binary search).
3. Calculate how many times the array contains name starting with given letter (char / String).
4. Calculate how many elements in the array are between given boundaries (intigers).
5. Calculate digits sum for given number.

HL - 2d arrays

topcia — 2019-10-23 16:36:15 UTC

https://www.programiz.com/java-programming/multidimensional-array

Git

topcia — 2019-10-25 13:01:28 UTC

List of steps:
I. On Github:
1) create new repo and copy link to it

II. In IntelliJ:
1) VCS -> Enable VCS
2) add files to VCS
3) VCS -> Git -> Remotes
and copy adres of the repo

III. Work in IntelliJ
1) commit changes to offline repo
2) push changes to online repo

HL - 2d arrays

topcia — 2019-10-31 12:29:47 UTC

JavaFX

topcia — 2019-11-04 18:52:16 UTC

https://www.tutorialspoint.com/javafx/javafx_ui_controls.htm

JavaFX

topcia — 2019-11-04 18:55:40 UTC

Homework

topcia — 2019-11-05 13:59:25 UTC

Files and ciphers

topcia — 2019-11-08 06:40:37 UTC

https://docs.oracle.com/javafx/2/ui_controls/file-chooser.htm

https://o7planning.org/en/11129/javafx-filechooser-and-directorychooser-tutorial

Files and ciphers - homework

topcia — 2019-11-08 14:27:18 UTC

Using Git in IntelliJ

topcia — 2019-11-08 14:36:57 UTC

Group projects

topcia — 2019-11-08 14:39:17 UTC

You must install Git:
https://git-scm.com/downloads

List of steps:
I. Leader
- on Github:
1) create new repo and copy link to it
2) add collaborators in Github
- in IntelliJ:
1) VCS -> Enable VCS
2) add files to VCS
3) VCS -> Git -> Remotes
and copy adres of the repo

II. Team member
- on Github:
1) accept invitation link and copy link to repo
- in IntelliJ:
1) File -> Project from Version Control -> Git (past link to repo)

III. Work in IntelliJ
1) update from online repo
2) commit changes to offline repo
3) push changes to online repo

Moon Lander HL kod

topcia — 2019-11-14 11:39:11 UTC

Class and objects

topcia — 2019-11-15 14:22:58 UTC

HL - pom.xml

topcia — 2019-11-21 11:43:12 UTC

org.apache.maven.plugins
maven-compiler-plugin
3.5.1

1.10
1.10

HL - homework

topcia — 2019-11-21 12:33:09 UTC

1. Matrix determinant
https://pl.wikipedia.org/wiki/Rozwini%C4%99cie_Laplace%E2%80%99a
2. Voldemort's martix determinant
https://pl.wikipedia.org/wiki/Macierz_Vandermonde%E2%80%99a

Animals management system (homework)

topcia — 2019-11-22 10:07:56 UTC

- retrive animals data from the file
- display animals data
- add a new animal (refresh the window)
- display animals stats
- save data in the file

Zoo Zosi

topcia — 2019-11-26 13:21:52 UTC

Serializacja

topcia — 2019-11-26 13:29:10 UTC

Test:)

topcia — 2019-11-28 10:42:08 UTC

Reservations

topcia — 2019-11-29 14:22:27 UTC

update
LocalDate.of(2019, 12, 03)

HL - Sierpiński triangle

topcia — 2019-12-05 12:35:11 UTC

JavaFX dasboard

topcia — 2019-12-06 12:39:21 UTC

https://www.youtube.com/watch?v=lHDghZE7c-8
https://www.youtube.com/watch?v=yySQWaxZqx4
https://www.youtube.com/watch?v=gENFTNd7T2M
https://www.youtube.com/watch?v=gJYXctDSIl8
https://www.youtube.com/watch?v=9wnetxZ_Www

Database

topcia — 2019-12-10 13:27:12 UTC

SQL tutorial:
https://www.w3schools.com/sql/sql_select.asp
SQLite Studio:
https://sqlitestudio.pl/index.rvt?act=download
Driver:
https://bitbucket.org/xerial/sqlite-jdbc/downloads/
Connection:
https://www.youtube.com/watch?v=NoPzqahrzp8

giganci kodowania

topcia — 2019-12-11 11:54:24 UTC

Bezpłatne warsztaty programowania C#

topcia — 2019-12-12 11:45:04 UTC

Conversion

topcia — 2019-12-13 14:24:40 UTC

Game

topcia — 2019-12-17 12:38:32 UTC

HL - Conway's Game of Life

topcia — 2020-01-02 06:52:31 UTC

https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life

Bubble sort - code

topcia — 2020-01-03 14:23:01 UTC

topcia — 2020-01-03 14:23:20 UTC

Homework :)

topcia — 2020-01-07 08:53:22 UTC

methods

Java sorting 1

topcia — 2020-01-07 09:05:47 UTC

Java sorting 2

topcia — 2020-01-07 09:06:15 UTC

HL - filters

topcia — 2020-01-08 08:58:04 UTC

Project

topcia — 2020-01-28 10:28:42 UTC

windows design,
UML diagram,
own classes and methods,
file I/O, SQLite database,
sorting

HL - Stack

topcia — 2020-01-30 11:35:29 UTC

HL - queue

topcia — 2020-02-06 11:38:44 UTC

Mandelbrot set

topcia — 2020-02-07 14:26:11 UTC

REST

topcia — 2020-02-20 21:08:24 UTC

https://jsonplaceholder.typicode.com/
http://www.jsonschema2pojo.org/
https://square.github.io/retrofit/
https://www.vogella.com/tutorials/Retrofit/article.html

REST and Retrofit

topcia — 2020-02-21 14:07:25 UTC

REST

topcia — 2020-02-25 13:20:51 UTC

https://app.fake.rest/
https://jsonformatter.curiousconcept.com/

topcia — 2020-02-25 13:42:57 UTC

<dependencies>
    <dependency>
        <groupId>com.squareup.retrofit2groupId>
        <artifactId>retrofitartifactId>
        <version>2.7.1version>
    dependency>
    
    <dependency>
        <groupId>com.google.code.gsongroupId>
        <artifactId>gsonartifactId>
        <version>2.8.6version>
    dependency>
    <dependency>
        <groupId>com.squareup.retrofit2groupId>
        <artifactId>converter-gsonartifactId>
        <version>2.7.1version>
    dependency>

dependencies>


<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.pluginsgroupId>
            <artifactId>maven-compiler-pluginartifactId>
            <version>3.5.1version>
            <configuration>
                <source>1.10source>
                <target>1.10target>
            configuration>
        plugin>
    plugins>
build>

topcia — 2020-02-27 11:22:18 UTC

Zawody - regulamin

topcia — 2020-02-27 11:40:08 UTC

Zawody - zadania

topcia — 2020-02-27 11:41:50 UTC

Weather API

topcia — 2020-03-03 12:35:53 UTC

topcia — 2020-03-16 14:13:43 UTC

Zadanka do porobienia
dla wszystkich (SL + HL):
Grasshopper - Summation <8>
Century From Year <8>
Find numbers which are divisible by given number <8>
Sum of differences in array <8>
Will you survive the zombie onslaught? <7>
Merging sorted integer arrays (without duplicates) <8>
I love you, a little , a lot, passionately ... not at all <8>
Abbreviate a Two Word Name <8>
Find the first non-consecutive number <8>
Pick peaks <5>

dla HL:
Separate The Wheat From The Chaff <6>
Rotate a square matrix like a vortex <5>
The Clockwise Spiral <5>
Maximum Contiguous Sum <5>
Battle ships: Sunk damaged or not touched? <5>
Josephus Survivor<5>
Snail <4>

Zadania robi się na stronie https://www.codewars.com/

Dla HL-u dodatkowo

topcia — 2020-03-16 14:13:57 UTC

Streams

topcia — 2020-03-19 12:15:09 UTC

int[] array = {1, 4, 5, 6, 2, 4};
List l = Arrays.stream(array)
.distinct()
.collect(ArrayList::new, ArrayList::add, ArrayList::addAll);
System.out.println(l);

String[] s = {"a", "b", "c"};
String d = Arrays.stream(s)
.collect(StringBuilder::new, StringBuilder::append, StringBuilder::append)
.toString();
System.out.println(d);

Firebase

topcia — 2020-03-20 10:01:10 UTC

Pinguins (;)) in Firebase

topcia — 2020-03-20 13:48:16 UTC

Realtime Database

topcia — 2020-03-20 14:15:41 UTC

Generowanie nowego klucza

topcia — 2020-03-20 14:16:14 UTC

Java Streams

topcia — 2020-03-26 11:10:13 UTC

Firebase messenger v.2

topcia — 2020-03-27 14:18:50 UTC

Internale

topcia — 2020-03-31 13:17:44 UTC

Nov 15

topcia — 2020-04-17 11:37:33 UTC

JAR file

topcia — 2020-07-29 16:16:49 UTC

1. Zamieniamy ścieżki na bezwzględne i umieszczamy plik z baza danych w folderze na dysku C. 2. Tworzymy artefakt: File -> Project Structure -> Project Settings -> Artifacts -> Click green plus sign -> Jar -> From modules with dependencies... https://stackoverflow.com/questions/1082580/how-to-build-jars-from-intellij-properly 3. Budujemy projekt Build -> Build artifacts 4. Przenosimy plik jar do folderu z punktu 1. 5. Piszemy program rozruchowy (z rozszerzeniem .bat): https://www.youtube.com/watch?v=ifBlevULGtM W pliku java -jar nazwa_pliku_jar

Randomized depth-first search maze generation algorithm (HL)

topcia — 2020-09-03 07:14:16 UTC

topcia — 2020-09-03 17:08:52 UTC

https://en.wikipedia.org/wiki/Diffusion-limited_aggregation

Timeline timeline = new Timeline(new KeyFrame(Duration.millis(100), event -> { })); timeline.setCycleCount(Animation.INDEFINITE); timeline.play();

topcia — 2020-09-17 07:31:03 UTC

UI componenets

topcia — 2020-09-18 11:49:06 UTC

Starting page generator

topcia — 2020-09-18 11:49:53 UTC

Book

topcia — 2020-09-18 11:50:28 UTC

pom

topcia — 2020-09-21 06:09:40 UTC


<dependency>
    <groupId>org.springframework.bootgroupId>
    <artifactId>spring-boot-starter-data-jpaartifactId>
dependency>
<dependency>
    <groupId>com.h2databasegroupId>
    <artifactId>h2artifactId>
    <scope>runtimescope>
dependency>

Galaxy simulation (HL)

topcia — 2020-09-24 11:42:38 UTC

Galaxy simulation 2 (HL)

topcia — 2020-09-25 15:07:21 UTC

Kółka z informatyki

topcia — 2020-09-28 10:07:08 UTC

1. Java od podstaw - poniedziałek 15:30.
2. Java dla średnio-zaawansowanych - wtorek 15:30.
3. C++ od podstaw - piątek 14:45.
4. C++ kontynuacja - czwartek 15:45.
Aby brać udział w zajęciach C++ trzeba się skontaktować z Panem Głuski (email na drzwiach do sali 22).

topcia — 2020-10-12 06:15:41 UTC

https://stackoverflow.com/questions/53740820/how-do-i-add-a-tooltip-to-a-rectangular-region-of-a-javafx-canvas

Instrukcje warunkowe

topcia — 2022-09-28 10:31:22 UTC

Tuples and lists

topcia — 2022-10-05 10:35:10 UTC

https://www.w3schools.com/python/python_tuples.asp

https://www.w3schools.com/python/python_lists.asp