摘要： package task1; public class q { String color; int cpu; public void showColor(){ System.out.println("笔记本的颜色为:"+color); } public void showCpu(){ System. 阅读全文

摘要： package task1; public class q { int length; int width; public void showAll() { System.out.println("矩形长为:" + length + "矩形宽为:" + width); } public void g 阅读全文