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30 lines (29 loc) · 987 Bytes
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Copy pathTotalArea.java
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30 lines (29 loc) · 987 Bytes
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public class TotalArea {
public static void main(String[] args) {
Circle3[] circleArray;
circleArray=createCircleArray();
printCircleArray(circleArray);
}
public static Circle3[] createCircleArray() {
Circle3[] circleArray=new Circle3[5];
for (int i = 0; i < circleArray.length; i++) {
circleArray[i]=new Circle3(Math.random()*100);
}
return circleArray;
}
public static void printCircleArray(Circle3[] circleArray) {
System.out.printf("%-30s%-15s\n","Radius","Area");
for (int i = 0; i < circleArray.length; i++) {
System.out.printf("%-30s%-15f\n",circleArray[i].getRadius(),circleArray[i].getArea());
}
System.out.println("---------------------------------");
System.out.printf("%-30s%-15f\n","The total area of circles is",sum(circleArray));
}
public static double sum(Circle3[] circleArray) {
double sum=0;
for (int i = 0; i < circleArray.length; i++) {
sum+=circleArray[i].getArea();
}
return sum;
}
}