import java.util.*;
public class Main {
public static void main(String[] args) {
double x = 10;
double y = perimeter(x);
System.out.println("Perimeter of a circle or radius 10 = " + y);
myPrint(1, 2, 3);
String[] sentences = new String[] {
"Καλήν εσπέραν άρχοντες",
"πώς είναι ο ορισμός σας"
};
myPrint(sentences);
int a = 3;
changeParameter(a);
System.out.println(a);
int[] arr = {1, 2, 3, 4, 5};
printArray(arr);
}
static double perimeter(double r) { // y = perimeter(r)
return 2*Math.PI*r; // 2*π*r
}
static void myPrint(int... numbers) { // varargs
for (int i : numbers) {
System.out.print(i + " ");
}
}
static void myPrint(String... lines) { // varargs
for (String e : lines) {
System.out.println(e);
}
}
static void changeParameter(int i) {
i = 10;
System.out.println(i);
}
static void printArray(int[] array) {
array[0]=100;
for (int i=0; i<array.length; i++) {
System.out.print(array[i] + ", ");
}
System.out.println();
}
static int calculate(int x, int y) {
return x*y;
}
static double calculate(double x, double y) {
return x*y;
}
static int calculate(int x, int y, int z) {
return x*y*z;
}
}