import   java.io.File;  
import   java.awt.image.BufferedImage;  
import   javax.imageio.ImageIO;  
   
public   class   test    
{          
  public   static   void   main(String   args[])    
  {  
    try  
    {  
      //读取第一张图片  
       File   fileOne   =   new   File("D:\\M114317.png");  
       BufferedImage   ImageOne   =   ImageIO.read(fileOne);  
       int   width   =   ImageOne.getWidth();//图片宽度  
       int   height   =   ImageOne.getHeight();//图片高度  

       //从图片中读取RGB  
       int[]   ImageArrayOne   =   new   int[width*height];  
       ImageArrayOne   =   ImageOne.getRGB(0,0,width,height,ImageArrayOne,0,width);  

       //对第二张图片做相同的处理  
       File   fileTwo   =   new   File("D:\\M114320.png");  
       BufferedImage   ImageTwo   =   ImageIO.read(fileTwo);      
       int[]   ImageArrayTwo   =   new   int[width*height];  
       ImageArrayTwo   =   ImageTwo.getRGB(0,0,width,height,ImageArrayTwo,0,width);  

       //生成新图片  
       BufferedImage   ImageNew   =   new   BufferedImage(width*2,height,BufferedImage.TYPE_INT_RGB);  
       ImageNew.setRGB(0,0,width,height,ImageArrayOne,0,width);//设置左半部分的RGB  
       ImageNew.setRGB(width,0,width,height,ImageArrayTwo,0,width);//设置右半部分的RGB  

       File   outFile   =   new   File("d:\\out.png");  
       ImageIO.write(ImageNew,   "png",   outFile);//写图片  
     }  catch(Exception   e)  {  
           e.printStackTrace();  
     }  
   }
}