for (int i =1; i < modArray.length; i++){
//some code here
}

BufferedImage img = ImageIO.read(new File("imagepath.jpg"));

class book implements serializable{
 String isbn;
String author;
//geters and setters here
}

int i = str.length();
i = i % 2;

while (more = true) ;
{
}
//there are at least two mistakes in one line the  "more=true" is always true
// i think you meant " more==true" <--- notice double "="  
//second the semicolon at the end of first line "{}" will be ignored !!

//correct while loop will

Vector deviceList = CaptureDeviceManager.getDeviceList(null);

Vector deviceList = CaptureDeviceManager.getDeviceList(new VideoFormat(VideoFormat.YUV));
        di = (CaptureDeviceInfo)deviceList.firstElement();

 
        Map<Integer, int[]> map = new HashMap();
        int[]  a1 = {13,17,19};
        int[]  a2 = {23,29,31};
        
        map.put(1, a1 );
        map.put(2, a2 );

        Map<Integer, MyClass> map = new HashMap();
        MyClass  a1 = new MyClass(13,17,19);

String [] yourArray; // an array of the captured text 
yourArray = yourString.split("<[^>]*>");