LAboratory 3 by Asiman Mirzaliyev

Systems/pom.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.ironhack</groupId>
+    <artifactId>Systems</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>25</maven.compiler.source>
+        <maven.compiler.target>25</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

Systems/src/main/java/Decimal/DecimalOperations.java

@@ -0,0 +1,22 @@
+package Decimal;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+
+
+class  DecimalOperations {
+    void main() {
+        System.out.println(rounding(new BigDecimal("55.55")));
+        System.out.println(negate(new BigDecimal("66.33")));
+
+    }
+
+    public double rounding(BigDecimal value) {
+        return value.setScale(2 , RoundingMode.UP).doubleValue();
+    }
+
+    public BigDecimal negate(BigDecimal value) {
+        return value.negate().setScale(1 , RoundingMode.UP);
+    }
+}

Systems/src/main/java/InList/InList.java

@@ -0,0 +1,7 @@
+package InList;
+
+public interface InList {
+
+    void add(int number);
+    int get(int id);
+}

Systems/src/main/java/InList/IntListArray.java

@@ -0,0 +1,53 @@
+package InList;
+
+import java.lang.reflect.Array;
+
+public class IntListArray implements InList{
+    private int[] data;
+    private int size;
+
+    public IntListArray() {
+        this.data = new int[10];
+        this.size = 0;
+    }
+
+    @Override
+    public void add(int number) {
+        if (size == data.length) {
+            // grow by 50% (e.g., 10 -> 15)
+            int newCapacity = data.length + (data.length / 2);
+            if (newCapacity == data.length) {
+                // defensive: if length were 1, length/2 would be 0
+                newCapacity = data.length + 1;
+            }
+
+            int[] newData = new int[newCapacity];
+            for (int i = 0; i < data.length; i++) {
+                newData[i] = data[i];
+            }
+            data = newData;
+        }
+
+        data[size] = number;
+        size++;
+    }
+
+    @Override
+    public int get(int id) {
+        if (id < 0 || id >= size) {
+            throw new IndexOutOfBoundsException(
+                    "id=" + id + " out of bounds (size=" + size + ")"
+            );
+        }
+        return data[id];
+    }
+
+    public int size() {
+        return size;
+    }
+
+    public int capacity() {
+        return data.length;
+    }
+}
+

Systems/src/main/java/InList/IntVector.java

@@ -0,0 +1,49 @@
+package InList;
+
+import InList.InList;
+
+public class IntVector implements InList {
+
+    private int[] data;
+    private int size;
+
+    public IntVector() {
+        this.data = new int[20];
+        this.size = 0;
+    }
+
+    @Override
+    public void add(int number) {
+        if (size == data.length) {
+            // double capacity (e.g., 20 -> 40)
+            int newCapacity = data.length * 2;
+
+            int[] newData = new int[newCapacity];
+            for (int i = 0; i < data.length; i++) {
+                newData[i] = data[i];
+            }
+            data = newData;
+        }
+
+        data[size] = number;
+        size++;
+    }
+
+    @Override
+    public int get(int id) {
+        if (id < 0 || id >= size) {
+            throw new IndexOutOfBoundsException(
+                    "id=" + id + " out of bounds (size=" + size + ")"
+            );
+        }
+        return data[id];
+    }
+
+    public int size() {
+        return size;
+    }
+
+    public int capacity() {
+        return data.length;
+    }
+}

Systems/src/main/java/VideoStreaming/Movie.java

@@ -0,0 +1,24 @@
+package VideoStreaming;
+
+public class Movie extends Video {
+    private double ratings;
+
+    public Movie(int duration, String title, double ratings) {
+        super(duration, title);
+        this.ratings = ratings;
+    }
+
+    @Override
+    public String getInfo(){
+        String info = "Our video's title is "+ getTitle() + " duration equals to " + getDuration() + "rating is " + ratings;
+        return info;
+    }
+
+    public double getRatings() {
+        return ratings;
+    }
+
+    public void setRatings(double ratings) {
+        this.ratings = ratings;
+    }
+}

Systems/src/main/java/VideoStreaming/TVSeries.java

@@ -0,0 +1,24 @@
+package VideoStreaming;
+
+public class TVSeries extends Video{
+    private int episodes;
+
+    public TVSeries(int duration, String title, int episodes) {
+        super(duration, title);
+        this.episodes = episodes;
+    }
+
+    @Override
+    public String getInfo(){
+        String info = "Our video's title is "+ getTitle() + " duration equals to " + getDuration() + "episdoes amount is " + episodes;
+        return info;
+    }
+
+    public int getEpisodes() {
+        return episodes;
+    }
+
+    public void setEpisodes(int episodes) {
+        this.episodes = episodes;
+    }
+}

Systems/src/main/java/VideoStreaming/Video.java

@@ -0,0 +1,35 @@
+package VideoStreaming;
+
+public abstract class Video {
+    private String title;
+    private int duration;
+
+
+    public Video(int duration, String title) {
+        this.duration = duration;
+        this.title = title;
+    }
+
+    public String getInfo(){
+        String info = "Our video's title is "+ title + " duration equals to " + duration;
+        return info;
+    }
+
+    public int getDuration() {
+        return duration;
+    }
+
+    public void setDuration(int duration) {
+        this.duration = duration;
+    }
+
+
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+}

Systems/src/main/java/VideoStreaming/VideoDemo.java

@@ -0,0 +1,11 @@
+package VideoStreaming;
+
+public class VideoDemo {
+    static void main() {
+        Video series = new TVSeries(120 , "Big Brother" , 22);
+        Video movie = new Movie(122, "Titanic ", 7.7);
+
+        System.out.println("Series general info is : " + series.getInfo());
+        System.out.println("Movies general info is : " + movie.getInfo());
+    }
+}

Systems/src/main/java/com/ironhack/Main.java

@@ -0,0 +1,17 @@
+package com.ironhack;
+
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+public class Main {
+    static void main() {
+        //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
+        // to see how IntelliJ IDEA suggests fixing it.
+        IO.println(String.format("Hello and welcome!"));
+
+        for (int i = 1; i <= 5; i++) {
+            //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
+            // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
+            IO.println("i = " + i);
+        }
+    }
+}