public class Rectangle { public int area(int chang,int kuan){ int mianji = 0; mianji = chang*kuan; return mianji; } }public class Area { public static void main(String[] args) { Rectangle recobj = new Rectangle(); System.out.println("面积是:"+recobj.area(5, 4)); } }
public int area(int chang,int kuan){
int mianji = 0;
mianji = chang*kuan;
return mianji;
}
}public class Area {
public static void main(String[] args) {
Rectangle recobj = new Rectangle();
System.out.println("面积是:"+recobj.area(5, 4));
}
}