choinka

src/main/java/domowe/r2/z02_choinka/Choinka1.java

+package domowe.r2.z02_choinka;
+
+import java.util.Scanner;
+
+public class Choinka1 {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Podaj wysokość choinki: ");
+        int wys = scanner.nextInt();
+        
+        for(int i = 1; i <= wys; i++) {
+            for(int j = 1; j <= wys-i; j++) {
+                System.out.print(" ");
+            }
+            for(int j = 1; j <= 2*i-1; j++) {
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+    }
+
+}

src/main/java/domowe/r2/z02_choinka/Choinka2.java

+package domowe.r2.z02_choinka;
+
+import java.util.Scanner;
+
+public class Choinka2 {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Podaj wysokość choinki: ");
+        int wys = scanner.nextInt();
+        
+        int ile_sp = wys;
+        int ile_gw = 1;
+        for(int i = 0; i < wys; i++) {
+            for(int j = 0; j < ile_sp; j++) {
+                System.out.print(" ");
+            }
+            for(int j = 0; j < ile_gw ; j++) {
+                System.out.print("*");
+            }
+            System.out.println();
+            ile_sp -= 1;
+            ile_gw += 2;
+        }
+    }
+
+}

src/main/java/domowe/r2/z02_choinka/Choinka3.java

+package domowe.r2.z02_choinka;
+
+import java.util.Scanner;
+
+public class Choinka3 {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Podaj wysokość choinki: ");
+        int wys = scanner.nextInt();
+        
+        for(int i = 0; i < wys; i++) {
+            System.out.println(" ".repeat(wys-i) + "*".repeat(2*i+1));
+        }
+    }
+
+}

src/main/java/domowe/r2/z02_choinka/Choinka4.java

+package domowe.r2.z02_choinka;
+
+import java.util.Scanner;
+
+public class Choinka4 {
+
+    public static void main(String[] args) {
+        final String TLO = ".";
+        final String ZNAK = "^";
+        
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Podaj wysokość choinki: ");
+        int wys = scanner.nextInt();
+        
+        for(int i = 0; i < wys; i++) {
+            System.out.println(TLO.repeat(wys-i) + ZNAK.repeat(2*i+1) + TLO.repeat(wys-i));
+        }
+    }
+
+}