HW1_done

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task1.java

@@ -3,6 +3,7 @@
 
 public class Task1 {
     public static double calculateP(double a) {
-        return 0;
+
+        return 4 * a;
     }
 }

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task2.java

@@ -3,6 +3,7 @@
 
 public class Task2 {
     public static int getMeters(int centimeters) {
-        return 0;
+
+        return centimeters / 100;
     }
-}
+}

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task3.java

@@ -2,6 +2,12 @@
 
 public class Task3 {
     public static boolean isBetween(int a, int b, int c) {
-        return false;
+
+        if ((a <= b && b <= c) || (a >= b && b >= c)) {
+            return true;
+        } else {
+            return false;
+        }
     }
 }
+

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task4.java

@@ -4,6 +4,16 @@
 public class Task4 {
 
     public static double getSumOfGreatest(double a, double b, double c) {
-        return 0;
-    }
+            if (a < b && b < c) {
+            return c + b;
+            }
+                 if (a > b && b > c) {
+                    return b + a;
+                 }
+                else {
+                    return a + c;
+                 }
+
+
+        }
 }

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task5.java

@@ -3,10 +3,10 @@
 
 public class Task5 {
     public static double calculateA(double x, double y, double z) {
-        return 0;
+        return ((2 * Math.sin(x - Math.PI / 6) * calculateB(z)) / (1 / 2.0 + (Math.pow(Math.sin(y), 2))));
     }
 
     private static double calculateB(double z) {
-        return 0;
+        return 1 + (Math.pow(z, 2)) / (3 + ((Math.pow(z, 2)) / 5));
     }
 }

src/main/java/school/lemon/changerequest/java/introduction/hw1/Task6.java

@@ -2,10 +2,13 @@
 
 public class Task6 {
     public static double calculateS(double x) {
-        return 0d;
-    }
+        return (1 + (x * (((Math.pow(x, 2) *x) *x) / (2 * (3*2) * (4*3*2)))));
+
+        }
+
 
     public static double calculateZ(double x, double y) {
-        return 0d;
+
+        return Math.sin(Math.pow(x, 3)) + Math.pow(Math.cos(y), 2);
     }
 }