public class Ex1 { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("Exercise1完成"); } } |
a = 5
b = 4
c = 3
public class Ex3 { /** * @param args */ public static void main(String[] args) { int a, b, c, d; a = 17; b = 12; c = 21; System.out.println("17と12の最大値:" + max(a, b)); d = max(max(a, b), c); System.out.println("17と12と21の最大値:" + d); } public static int max(int x, int y) { if (x > y) return x; return y; } } |
public class Ex4 { /** * @param args */ public static void main(String[] args) { int x; int y; x = 20; y = f(x); System.out.println("第20項は" + y); } public static int f(int n) { if (n == 1) return 1; return 2 * f(n - 1) + 3; } } |