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@peter279k peter279k/JPA01.java
Created May 21, 2017

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TQC+ JAVA
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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