Created
May 21, 2017 17:47
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TQC+ JAVA
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import java.util.Scanner; | |
public class JPA01 { | |
public static void main(String args[]) { | |
double totalarea; | |
System.out.printf("圓形面積為:%f \n", calCircle(5)); | |
System.out.printf("三角形面積為:%f \n", calTriangle(10, 5)); | |
System.out.printf("方形面積為:%f \n", calRectangle(5, 10)); | |
totalarea = calCircle(5) + calTriangle(10, 5) + calRectangle(5, 10); | |
System.out.printf("此圖形面積為:%f \n",totalarea); | |
} | |
public static double calCircle(int num) { | |
return num * num * 3.1415926; | |
} | |
public static double calTriangle(int base, int height) { | |
return base * height / 2.0; | |
} | |
public static double calRectangle(int width, int height) { | |
return width * height; | |
} | |
} |
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