JAVA高级特性 1.静态导入：先举个离例子 。 import java.lang.Integer.parseInt; public class StaticImport { int x = parseInt("123"); System.out.println(x); } 这样的程序如果不在IDE 工具中输入，是很难看出这个程序代码会出现问题，可它偏偏就出问题了，这是为什么呢？因为程序里面有个静态方法，如果导入import static java.lang.Integer.p arseInt
用java如何把图片处理到指定大小 切割程序如下： public void cut(String srcImageFile,FileOutputStream fileout, int w, int h, int x1, int y1, int sw, int sh) { // TODO Auto-generated method stub try { // http://localhost:8080/ImpCra/createServlet?p=Sunset.jpg&x=117&y=201 &
import java.io.IOException; import cn.edu.ctgu.ghl.fetion.Contact; import cn.edu.ctgu.ghl.fetion.Fetion; import cn.edu.ctgu.ghl.fetion.FetionEvent; import cn.edu.ctgu.ghl.fetion.IFetionEventListener; public class ExampleMain { public static void mai
Write a program called CollegeCourse that computes the cost of taking a college course. Include a constructor that requires a course ID number. Add a subclass Lab to compute a lab fee for a course that uses a lab. Write a program UseCourse to use th
Create an abstract Auto class with fields for the car make and price. Include get and set methods for these fields; the setPrice() method is abstract. Create two suclasses for individual automobile makers (for example, Ford and Chevy) and include ap
