# 程式碼 ```java=1 程式設計(一):Java程式設計 public class Hello { public static int gvar; public static void say(String s) { int x = 10; System.out.print(s + x); } } public static void main(String[] argv) { float y = 0; say("Hello, world\n"); } } ``` ``` python=1 程式設計(二):Python程式設計 iv = 10 fv = 12.3 cv = 3 + 5j sv = 'hello python' bv = True nv = None print(iv, fv, cv, sv, bv) print(type(iv)) print(type(fv)) print(type(cv)) print(type(sv)) print(type(bv)) print(nv) print(isinstance(sv, str)) ```