Monica Mirescu

_1_basics/src/main/java/code/_3_in_class/Boxer.java

@@ -0,0 +1,24 @@
+package code._3_in_class;
+
+public class Boxer {
+
+    String nume;
+    int health=100;
+    int damagePerAttack=10;
+
+    public Boxer(String nume, int health, int damagePerAttack){
+        this.nume=nume;
+        this.health=health;
+        this.damagePerAttack=damagePerAttack;
+    }
+
+    public Boxer(String nume) {
+        this.nume = nume;
+    }
+
+    void attack(Boxer opponent) {
+        opponent.health=opponent.health-this.damagePerAttack;
+    }
+    void defend() {}
+
+}

_1_basics/src/main/java/code/_3_in_class/BruceLee.java

@@ -0,0 +1,16 @@
+package code._3_in_class;
+
+public class BruceLee extends Boxer{
+    public BruceLee(String nume, int health, int damagePerAttack) {
+        super(nume, health, damagePerAttack);
+    }
+
+    public BruceLee(String nume) {
+        super(nume);
+    }
+
+    void attack(Boxer opponent) {
+        System.out.println(this.nume+"il ataca pe" +opponent.nume+"- new health is"+opponent.health);
+        opponent.health=opponent.health-this.damagePerAttack;
+    }
+}

_1_basics/src/main/java/code/_3_in_class/Main.java

@@ -1,8 +1,39 @@
 package code._3_in_class;
-
+import java.util.Random;
 public class Main {
 
+    public Main() {
+    }
+
     public static void main(String[] args) {
-        //TODO put your code changes in here
+
+        Boxer ion = new Boxer("ion",100,10);
+        Boxer vasile = new Boxer("vasile");
+        Boxer bruceLee = new Boxer("bruce lee");
+
+        startBox(ion, bruceLee);
+
+        announceVictory(ion, bruceLee);
+
+    }
+
+    private static void announceVictory(Boxer b01,Boxer b02) {
+        if(b01.health<=0){
+            System.out.println("Vasile a castigat");
+        }else{
+            System.out.println("Ion a castigat");
+        }
+    }
+
+    private static void startBox(Boxer ion, Boxer vasile) {
+        Random random=new Random();
+        while(ion.health>0 && vasile.health>0) {
+            int zeroOrOne = random.nextInt(2);
+            if (zeroOrOne == 0) {
+                ion.attack(vasile);
+            } else {
+                vasile.attack(ion);
+            }
+        }
     }
 }

_1_basics/src/main/java/code/_3_in_class/Multiplii.java

@@ -0,0 +1,29 @@
+package code._3_in_class;
+
+class Numere {
+    public static void Multiplii(int n) {
+
+        int i;
+        for (i = 1; i <= n; i++) {
+            if (i % 3 == 0 && i % 5 == 0) {
+                System.out.print("FizzBuzz");
+                System.out.print(" ");
+            }
+            else if (i % 3 == 0) {
+                System.out.print("Fizz");
+                System.out.print(" ");
+            } else if (i % 5 == 0) {
+                System.out.print("Buzz");
+                System.out.print(" ");
+            }  else {
+                System.out.print(i);
+                System.out.print(" ");
+            }
+        }
+
+    }
+
+    public static void main(String[] args) {
+        Multiplii(100);
+    }
+}

_1_basics/src/main/java/code/_3_in_class/Salut.java

@@ -0,0 +1,7 @@
+package code._3_in_class;
+
+public class Salut {
+    public static void main(String[] args) {
+        System.out.println("hello world!");
+    }
+}

_1_basics/src/main/java/code/_3_in_class/car/Main.java

@@ -0,0 +1,10 @@
+package code._3_in_class.car;
+
+public class Main {
+    static class Car{
+        Engine engine;
+    }
+    static interface Engine{
+        void increasespeed();
+    }
+}

_1_basics/src/main/java/code/_3_in_class/example_static/StaticExample.java

@@ -0,0 +1,38 @@
+package code._3_in_class.example_static;
+
+public class StaticExample {
+
+    static final int altaVariabila=0; //keyword final -> odata ce o variabila a fost initializata, nu mai poate fi asignata inca o data
+    static int iStatic=0;  //iStatic=variabila de clasa ; keyword static -> ne lasa posibilitatea sa schimbam valoarea unei variabile
+    int iInstanta = 0;  //iInstanta=variabila de instanta
+
+    public static void main(String[] args) {
+
+        StaticExample instance01 = new StaticExample();
+        StaticExample instance02 = new StaticExample();
+        StaticExample instance03 = new StaticExample();
+
+        final int jnumelung; //declaratie de variabila
+        jnumelung=0; //pt un singur assigment, variabila nu apare subliniata
+
+        int inumelung; //declaratie de variabila
+        inumelung=0; //assignment lui numelung ii dau valoarea 0
+        inumelung=1; //assignment lui numelung ii dau valoarea 1
+        inumelung=2; //assignment lui numelung ii dau valoarea 2
+
+
+        instance01.iStatic=1;
+        instance02.iInstanta=2;
+        instance03.iInstanta=3;
+
+        System.out.println(" instance01.iStatic= "+instance01.iStatic+" instance01.Instanta= "+instance01.iInstanta); //iStatic=1 iInstanta=0
+        System.out.println(" instance02.iStatic= "+instance02.iStatic+" instance02.Instanta= "+instance02.iInstanta); //iStatic=1 iInstanta=2
+        System.out.println(" instance03.iStatic= "+instance03.iStatic+" instance03.Instanta= "+instance03.iInstanta); //iStatic=1 iInstanta=3
+    }
+    static void m(){
+        System.out.println("static method");
+    }
+    void m2(){
+        System.out.println("instance method");
+    }
+}

_1_basics/src/main/java/pachetul/meu/preferat/DefaultPackageClass.java

@@ -0,0 +1,7 @@
+package pachetul.meu.preferat;
+
+public class DefaultPackageClass {
+    public static void main(String[] args) {
+        System.out.println("hello");
+    }
+}

_2_oo/src/main/java/code/_1_study/_1_initialization_order/InitializationOrder.java

@@ -20,7 +20,7 @@ public Parent() {
     }
 }
 
-class Child extends Parent {
+class Child extends Parent { //clasa copil mosteneste de la clasa parinte
     static {
         System.out.println("child  static init block ");
     }
@@ -30,6 +30,7 @@ class Child extends Parent {
     }
 
     public Child() {
+        //constructorul initializeaza starea unui obiect
         System.out.println("child  constructor");
     }
 }

_2_oo/src/main/java/code/_1_study/_3_class_types/encapsulation/EncapsulationExample.java

@@ -0,0 +1,34 @@
+package code._1_study._3_class_types.encapsulation;
+
+public class EncapsulationExample {
+    public static void main(String[] args) {
+        Student s01 = new Student(100,18,"Popescu");
+        Student s02 = new Student(100,19,"Ionescu");
+
+    }
+}
+
+class Student {
+    int cash;
+    int varsta;
+    String nume;
+
+    public Student(int cash, int varsta, String nume) {
+        this.cash = cash;
+        this.varsta = varsta;
+        this.nume = nume;
+    }
+
+    void paysForLunch(int sum, String itemBought) {
+        if (this.cash >= sum) {
+            System.out.println("paysForLunch() = " + this.nume + " has bought " + itemBought + "in amount of" + sum);
+            this.cash = this.cash - sum;
+        } else {
+            System.out.println(this.nume + " cannot pay for " + itemBought + "of value" + sum);
+        }
+    }
+
+    public int getCash(){
+        return cash;
+    }
+}