added java2

Java/zad2_1/Koszyk.java

@@ -0,0 +1,29 @@
+package POB_2019.Java.zad2_1;
+
+import java.util.List;
+import java.util.ArrayList;
+
+public class Koszyk {
+    private List<Produkt> products = new ArrayList<Produkt>();
+    private String name;
+
+    public Koszyk(String _name){
+        this.name=_name;
+    }
+    public void addProduct(Produkt product){
+        products.add(product);
+    }
+    private float totalCost(){
+        float sum=0;
+        for(Produkt p : products)
+            sum+=p.getPrice();
+        return sum;
+    }
+    public String toString(){
+        String fullDesc="Koszyk " + this.name + ":\n";
+        for(Produkt p : products)
+            fullDesc = fullDesc + p.toString();
+        fullDesc = fullDesc + "Total: " + totalCost() + "\n";
+        return fullDesc;
+    }
+}

Java/zad2_1/Produkt.java

@@ -0,0 +1,17 @@
+package POB_2019.Java.zad2_1;
+
+public class Produkt {
+    private String name;
+    private float  price;
+
+    public Produkt(String _name, float _price){
+        this.name=_name;
+        this.price=_price;
+    }
+    public String toString(){
+        return String.format("Nazwa: %s\nCena: %.2f\n\n", this.name, this.price);
+    }
+    public float getPrice(){
+        return this.price;
+    }
+}

Java/zad2_1/zad2_1.java

@@ -0,0 +1,11 @@
+package POB_2019.Java.zad2_1;
+
+public class zad2_1 {
+    public static void main(String[] args){
+        Koszyk cart1 = new Koszyk("Marcin");
+        cart1.addProduct(new Produkt("Banan", 3.19f));
+        cart1.addProduct(new Produkt("Ananas", 5.69f));
+        cart1.addProduct(new Produkt("Pomarańcza", 2.99f));
+        System.out.println(cart1);
+    }
+}

Java/zad3_1/FileLogger.java

@@ -0,0 +1,18 @@
+package POB_2019.Java.zad3_1;
+
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class FileLogger extends Logger {
+    private FileWriter fileWriter;
+    public FileLogger() throws IOException {
+        String fileName = "./log.txt";
+        this.fileWriter = new FileWriter(fileName);
+    }
+    @Override
+    public void log(String textToLog) throws IOException {
+        this.fileWriter.append(textToLog);
+        this.fileWriter.append("\n");
+        fileWriter.flush();
+    }
+}

Java/zad3_1/Logger.java

@@ -0,0 +1,7 @@
+package POB_2019.Java.zad3_1;
+
+import java.io.IOException;
+
+public class Logger {
+    public void log(String textToLog) throws IOException{};
+}

Java/zad3_1/StdoutLogger.java

@@ -0,0 +1,8 @@
+package POB_2019.Java.zad3_1;
+
+public class StdoutLogger extends Logger {
+    @Override
+    public void log(String textToLog){
+        System.out.println(textToLog);
+    }
+}

Java/zad3_1/zad3_1.java

@@ -0,0 +1,20 @@
+package POB_2019.Java.zad3_1;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.ArrayList;
+
+public class zad3_1 {
+    public static void main(String[] args) throws IOException {
+        Logger log1 = new StdoutLogger();
+        Logger log2 = new FileLogger();
+        List<String> texts = new ArrayList<String>();
+        texts.add("Jechane");
+        texts.add("ASDSAD");
+        texts.add("Jechane1");
+        for(String text : texts){
+            log1.log(text);
+            log2.log(text);
+        }
+    }
+}