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我在Java(netbeans)中循環返回時遇到問題。
我必須創建4個類,「循環」部分是唯一未完成的部分。在java中循環返回
package question.pkg1;
import java.util.Scanner;
public class Shape {
void secondclass(){
System.out.println("Choose the shape you want to find the Perimeter and Area of: ");
System.out.println("1. Square "
+ " 2. Rectangle ");
System.out.println("**To select sqauare, enter 1**");
System.out.println("**To select rectangle, enter 2**");
int value;
Scanner input = new Scanner(System.in);
value = input.nextInt();
if (value == 1) {
Square Squareclass = new Square();
Squareclass.thirdclass();}
else if (value == 2) {
Rectangle Rectangleclass = new Rectangle();
Rectangleclass.fourthclass();}
else{
System.out.println("**Error: Please enter a correct value!**");
}
}}
哪些循環結構已經學習了? –
for,while,do,else。 –
集合,範圍或任何你需要循環的地方在哪裏? –