Quiz 6.8.2009

1. Design a static method that can compute the addition of fractions. You must first define Fraction class then write a demo program to verify the class program.

2. Design a non-static method that can compute the addition of fractions. You must first define Fraction class then write a demo program to verify the class program.

3. 列舉至少三個Java記憶體管理的特性

4. 列舉至少三個Java程式的風格

5. Let i, j be two integers. Write a Java program to exchange their values. Please make sure you have good styles of making comments, naming variables, and indenting.

6. Write a complete Java program that uses a for loop to compute the sum of the odd numbers between 1 and 25.

7. 列舉至少三個 API (Application Programming Interface).

8. 列舉 ADT (Abstract Data Type) 的特性.

9. Write a Java program to calculate the cosine function as follows:
Cos(x)=1 - x ² /2!+ x ⁴/4!- x ^6/6!...
10. Write a Java program to calculate the sin function as follows:
sin(x)=x - x ³/3! + x^5/5! - x^7/7! ...
11. 請解釋　public static final PI = 3.141592654 中， public, static, final 的意義。
12. 為什麼 static method 不能呼叫 nonstatic method？詳細說明之。
13. 舉三個例子　Object
14. 舉三個例子　Method