diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/java-course.iml b/.idea/java-course.iml new file mode 100644 index 0000000..d6ebd48 --- /dev/null +++ b/.idea/java-course.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..a818314 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..edb5d78 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex10/Main.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex10/Main.java new file mode 100644 index 0000000..c300a6a --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex10/Main.java @@ -0,0 +1,24 @@ +package com.rinftech.ExercitiiMariaTodirel.ex10; + +import java.util.*; + +public class Main { + public static List> grouping(String[] input){ + Map> groups = new HashMap<>(); + for(String element: input){ + char[] chars = element.toCharArray(); + Arrays.sort(chars); + String sortedElement = new String(chars); + if(!groups.containsKey(sortedElement)){ + groups.put(sortedElement, new ArrayList<>()); + } + groups.get(sortedElement).add(element); + } + + return new ArrayList<>(groups.values()); + } + public static void main(String[] args){ + String[] input = {"eat", "tea", "tan", "ate", "nat", "bat", "listen", "silent", "enlist", "hello", "world", "dlrow"}; + System.out.println(grouping(input)); + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex1and2/Main.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex1and2/Main.java new file mode 100644 index 0000000..e58538a --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex1and2/Main.java @@ -0,0 +1,39 @@ +package com.rinftech.ExercitiiMariaTodirel.ex1and2; + + +public class Main { + public static int sum(int number) { + int sum = 0; + while (number != 0) { + sum += number % 10; + number /= 10; + } + return sum; + } + + public static String count(String input) { + int[] counter = new int[3]; + for(int i : counter){ + i=0; + } + for (char letter : input.toCharArray()) { + if (('a' <= letter && 'z' >= letter) || ('A' <= letter && 'Z' >= letter)) { + counter[0]++; + } else if ('0' <= letter && '9' >= letter) { + counter[1]++; + } else if (letter == ' ') { + counter[2]++; + } + } + StringBuilder output = new StringBuilder(); + output.append("Letters: ").append(counter[0]).append(", "); + output.append("Numbers: ").append(counter[1]).append(", "); + output.append("Spaces: ").append(counter[2]); + return output.toString(); + } + + public static void main(String[] args) { + System.out.println(sum(8733)); + System.out.println(count( "The quick brown fox jumps over 42 lazy dogs")); + } +} \ No newline at end of file diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Employee.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Employee.java new file mode 100644 index 0000000..69843e3 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Employee.java @@ -0,0 +1,23 @@ +package com.rinftech.ExercitiiMariaTodirel.ex3; + +import com.rinftech.ExercitiiMariaTodirel.ex3.Person; + +public class Employee extends Person { + private int id; + private String jobTitle; + + public Employee(String firstName, String lastName, int id, String jobTitle) { + super(firstName, lastName); + this.id = id; + this.jobTitle = jobTitle; + } + + public int getEmployeeId(){ + return id; + } + @Override + public String getLastName(){ + return super.getLastName()+", "+ jobTitle; + } + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Person.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Person.java new file mode 100644 index 0000000..36e8a9a --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex3/Person.java @@ -0,0 +1,19 @@ +package com.rinftech.ExercitiiMariaTodirel.ex3; + +public class Person { + private String firstName; + private String lastName; + + public Person(String firstName, String lastName) { + this.firstName = firstName; + this.lastName = lastName; + } + + public String getFirstName(){ + return firstName; + } + public String getLastName(){ + return lastName; + } + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Car.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Car.java new file mode 100644 index 0000000..77e3cbc --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Car.java @@ -0,0 +1,22 @@ +package com.rinftech.ExercitiiMariaTodirel.ex4; + +public class Car extends Vehicle { + private int numberOfSeats; + + public Car(String make, String model, int year, String fuelType, int numberOfSeats) { + super(make, model, year, fuelType); + this.numberOfSeats = numberOfSeats; + } + @Override + public double calculateFuelEfficeincy(){ + return 8.5; + } + @Override + public double calculateDistanceTraveled(double fuelConsumed){ + return fuelConsumed*calculateFuelEfficeincy(); + } + @Override + public int calculateMaxSpeed(){ + return 120; + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Motorcycle.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Motorcycle.java new file mode 100644 index 0000000..cfb8aee --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Motorcycle.java @@ -0,0 +1,22 @@ +package com.rinftech.ExercitiiMariaTodirel.ex4; + +public class Motorcycle extends Vehicle { + private boolean hasAttach; + + public Motorcycle(String make, String model, int year, String fuelType, boolean hasAttach) { + super(make, model, year, fuelType); + this.hasAttach = hasAttach; + } + @Override + public double calculateFuelEfficeincy(){ + return 9.5; + } + @Override + public double calculateDistanceTraveled(double fuelConsumed){ + return fuelConsumed*calculateFuelEfficeincy(); + } + @Override + public int calculateMaxSpeed(){ + return 200; + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Truck.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Truck.java new file mode 100644 index 0000000..5463e24 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Truck.java @@ -0,0 +1,24 @@ +package com.rinftech.ExercitiiMariaTodirel.ex4; + +public class Truck extends Vehicle { + private int maxCargoWeight; + + public Truck(String make, String model, int year, String fuelType, int maxCargoWeight) { + super(make, model, year, fuelType); + this.maxCargoWeight = maxCargoWeight; + } + @Override + public double calculateFuelEfficeincy(){ + return 7.5; + } + @Override + public double calculateDistanceTraveled(double fuelConsumed){ + return fuelConsumed*calculateFuelEfficeincy(); + } + @Override + public int calculateMaxSpeed(){ + return 80; + } + + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Vehicle.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Vehicle.java new file mode 100644 index 0000000..bfa0751 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex4/Vehicle.java @@ -0,0 +1,25 @@ +package com.rinftech.ExercitiiMariaTodirel.ex4; + +public class Vehicle { + private String make; + private String model; + private int year; + private String fuelType; + + public Vehicle(String make, String model, int year, String fuelType) { + this.make = make; + this.model = model; + this.year = year; + this.fuelType = fuelType; + } + public double calculateFuelEfficeincy(){ + return 0.0; + } + public double calculateDistanceTraveled(double fuelConsumed){ + return 0.0; + } + public int calculateMaxSpeed(){ + return 0; + } + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex5/Main.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex5/Main.java new file mode 100644 index 0000000..bd1754f --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex5/Main.java @@ -0,0 +1,23 @@ +package com.rinftech.ExercitiiMariaTodirel.ex5; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class Main { + public static ListfindCommonElements(String[]array1, String[]array2){ + ListcommonElements = new ArrayList<>(); + ArrayListarray2List = new ArrayList<>(Arrays.asList(array2)); + for(String element: array1){ + if(array2List.contains(element)){ + commonElements.add(element); + } + } + return commonElements; + } + public static void main(String[] args) { + String[] s1={ "Python", "Java", "GoLang", "Lisp"}; + String[] s2={"Java", "C++", "Apples", "Hamburger", "Lisp"}; + System.out.println(findCommonElements(s1, s2)); + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Circle.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Circle.java new file mode 100644 index 0000000..cf24d3d --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Circle.java @@ -0,0 +1,15 @@ +package com.rinftech.ExercitiiMariaTodirel.ex6; + +public class Circle extends Shape{ + final double PI = Math.PI; + private int radius; + + public Circle(int radius) { + this.radius = radius; + } + + @Override + public double calculateArea(){ + return PI * (radius^2); + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Rectangle.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Rectangle.java new file mode 100644 index 0000000..f613d10 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Rectangle.java @@ -0,0 +1,15 @@ +package com.rinftech.ExercitiiMariaTodirel.ex6; + +public class Rectangle extends Shape{ + private int width; + private int height; + + public Rectangle(int width, int height) { + this.width = width; + this.height = height; + } + @Override + public double calculateArea(){ + return width*height; + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Shape.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Shape.java new file mode 100644 index 0000000..72b1370 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Shape.java @@ -0,0 +1,7 @@ +package com.rinftech.ExercitiiMariaTodirel.ex6; + +public class Shape { + public double calculateArea(){ + return 0.0; + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Triangle.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Triangle.java new file mode 100644 index 0000000..f2829a4 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex6/Triangle.java @@ -0,0 +1,18 @@ +package com.rinftech.ExercitiiMariaTodirel.ex6; + +public class Triangle extends Shape{ + private int a; + private int b; + private int c; + + public Triangle(int a, int b, int c) { + this.a = a; + this.b = b; + this.c = c; + } + @Override + public double calculateArea(){ + double p=(double) (a+b+c)/2; + return Math.sqrt(p * (p - a) * (p - b) * (p - c)); + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Animal.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Animal.java new file mode 100644 index 0000000..3cac4f6 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Animal.java @@ -0,0 +1,10 @@ +package com.rinftech.ExercitiiMariaTodirel.ex7; + +public class Animal { + public String eat(){ + return null; + } + public String sound(){ + return null; + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Lion.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Lion.java new file mode 100644 index 0000000..8c569e2 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Lion.java @@ -0,0 +1,15 @@ +package com.rinftech.ExercitiiMariaTodirel.ex7; + +public class Lion extends Animal{ + @Override + public String eat(){ + return "meat"; + } + @Override + public String sound(){ + return "ROOOAR"; + } + + + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Panther.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Panther.java new file mode 100644 index 0000000..a5f4d92 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Panther.java @@ -0,0 +1,13 @@ +package com.rinftech.ExercitiiMariaTodirel.ex7; + +public class Panther extends Animal{ + @Override + public String eat(){ + return "meat, fish and mice"; + } + @Override + public String sound(){ + return "mrrr"; + } + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Tiger.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Tiger.java new file mode 100644 index 0000000..c3d554e --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex7/Tiger.java @@ -0,0 +1,13 @@ +package com.rinftech.ExercitiiMariaTodirel.ex7; + +public class Tiger extends Animal{ + @Override + public String eat(){ + return "meat and fish"; + } + @Override + public String sound(){ + return "rooar"; + } + +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex8/Main.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex8/Main.java new file mode 100644 index 0000000..fd68874 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex8/Main.java @@ -0,0 +1,16 @@ +package com.rinftech.ExercitiiMariaTodirel.ex8; + +import java.util.Arrays; +import java.util.Collections; +import java.util.List; + +public class Main { + public static Listswap(Listinput, int poz1, int poz2){ + Collections.swap(input, poz1, poz2); + return input; + } + public static void main(String[] args){ + Listinput = Arrays.asList("Red", "Green", "Black", "White", "Pink"); + System.out.println(swap(input, 1, 4)); + } +} diff --git a/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex9/Main.java b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex9/Main.java new file mode 100644 index 0000000..b3648c9 --- /dev/null +++ b/JavaCourse/src/main/java/com/rinftech/ExercitiiMariaTodirel/ex9/Main.java @@ -0,0 +1,18 @@ +package com.rinftech.ExercitiiMariaTodirel.ex9; + +import java.util.Arrays; +import java.util.List; + +public class Main { + public static int[] firstAndLastIndexOf(Listinput, String element){ + int[] firstAndLast = new int[2]; + firstAndLast[0]=input.indexOf(element); + firstAndLast[1]=input.lastIndexOf(element); + return firstAndLast; + } + + public static void main(String[] args){ + Listinput= Arrays.asList( "Red", "Green", "Black", "White", "Pink", "Green", "Green", "Black", "Yellow", "White"); + System.out.println("First occurence for Green is "+firstAndLastIndexOf(input,"Green")[0]+" and last is "+firstAndLastIndexOf(input,"Green")[1]); + } +}