王鹏鹏-软件研发工程师

public class first {   public byte[] byte1(int id)   {    byte b[]=new byte[4];    b[0]=(byte)((int)(id>>0*8)&0xff);    b[1]=(byte)((int)(id>>1*8)&0xff);    b[2]=(byte)((int)(id>>2*8)&

package list;public class course {int ID;String name;public course(int Id,String Name){this.ID=Id;this.name=Name;}}/////////////package list;import java.util.ArrayList;

package map;public class course {public String id;public String name;public course(String id,String name){this.id=id;this.name=name;}}package map;import java.util.Has

import java.util.Comparator;public class comparator implements Comparator {@Overridepublic int compare(course o1, course o2) {// TODO Auto-generated method stubreturn o1.name.compa

import java.io.File;import java.io.IOException;public class io {   public void creatroot()   {  File f=new File("D:\\javaio");  if(!f.exists())  {  System.out.println("无目录");  f.

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream

import javax.imageio.ImageIO;import java.awt.*;import java.awt.color.ColorSpace;import java.awt.image.BufferedImage;import java.awt.image.ColorConvertOp;import java.io.File;import java.io.FileI...