cw
unknown
java
a year ago
2.2 kB
15
Indexable
//c1 public class ClassworkOne { public static void evenChecker(int number) { if (number % 2 == 0) { System.out.println("Even!!"); } else { System.out.println("Odd!!"); } } public static boolean isEven(int number){ return number % 2 == 0; } public static boolean isPos(int number){ return number > -1; } public static void sequence(int n){ if(isPos(n)){ for (int i = 0; i <= n; i+=2){ System.out.print(i+" "); } } else if (isEven(n)){ for (int i = n + 1 ; i <= -1; i+=2){ System.out.print(i+" "); } } else { for (int i = n ; i <= -1; i+=2) { System.out.print(i + " "); } } System.out.println(""); } public static void main(String[] args){ evenChecker(10); evenChecker(17); boolean result = isEven(10); System.out.println( result ); result = isEven(17); System.out.println( result ); result = isPos(-5); System.out.println( result ); result = isPos(12); System.out.println( result ); sequence(10); sequence(-7); sequence(7); sequence(-8); } } //c2 public class ClassworkTwo { public static double circleArea(int radius) { return 3.1416 * radius * radius; } public static double sphereVolume(int radius) { double pi = 3.14159; return 4.0/3.0 * pi * radius * radius * radius; } public static void findSpace(int diameter, String s) { int radius = diameter / 2; if (s.equals("circle")) { System.out.println(circleArea(radius)); } else if (s.equals("sphere")) { System.out.println(sphereVolume(radius)); } else { System.out.println("Wrong parameter"); } } public static void main(String[] args) { double area = circleArea(5); System.out.println(area); findSpace(10, "circle"); double volume = sphereVolume(5); System.out.println(volume); } }
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