Save and load (Vector) object in Java

[Arkie]

Code

GeSHi (java):
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Iterator;
import java.util.Vector;
 
public class SaveLoad {
	static Vector vSave = new Vector();
	static Vector vLoad = new Vector();
 
 
	public static void main(String[] args) {
		vSave.add("http://www.engineeringserver.com/forum/");
		vSave.add("http://www.engineeringserver.com/t3hc0d3z/");
		vSave.add("http://www.engineeringserver.com/blog/category/general/");
 
		/*
		Iterator itSave=vSave.iterator();
		while (itSave.hasNext())
		itSave.next(); 
 
		System.out.println(vSave); 
 
		}
		 */
		System.out.println();
 
 
		FileOutputStream f_out;
		try {
			f_out = new 
			FileOutputStream("myData.data");
			ObjectOutputStream obj_out = new
			ObjectOutputStream (f_out);
			obj_out.writeObject ( vSave );
 
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("---saved Data---");
 
 
 
		System.out.println("---loading Data---");
		FileInputStream f_in;
		try {
			f_in = new 
			FileInputStream("myData.data");
			ObjectInputStream obj_in = 
				new ObjectInputStream (f_in);
			Object obj = obj_in.readObject();
			if (obj instanceof Vector)
			{
				Vector v = (Vector) obj;
				//System.out.println(v);
				//System.out.println("--- ---");
 
				try{
					vLoad.add((Vector) v);
				}
				catch(NullPointerException NPE){
					System.out.println("WOPS nullpointerexcepton");
 
				}			
			}
 
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}		
 
 
 
		// Object o = vLoad.lastElement ();
		/*
		Enumeration enum = vLoad.elements();
		while(enum(hasMoreElements()){
		  Vector colNamese = (v)enum.nextElement();
		  //do something with colNames, maybe get enumeration and loop
		  //it through.
		 */
 
 
 
		Iterator itLoad=vLoad.iterator();
		while (itLoad.hasNext()) { // iterate through the elements
			Vector rowElm=(Vector)itLoad.next(); // each 'rows' element is a vector
			Iterator rowVals=rowElm.iterator(); // each vector contains the actual values
			System.out.println(); // print a newline for each row
			while (rowVals.hasNext()) { // iterate through single row
				Object cellValue=rowVals.next(); // single value; column name or SQL object (Integer etc.)
				System.out.print(cellValue); // print value
				//System.out.print('\t'); // tab to separate values
				System.out.print('\n'); // newline to separate values
			}
		}
 
 
 
		// System.out.println("VECTOR-----" + o);
 
		//System.out.println("VECTOR-----" + vLoad);
	}
 
 
}
 
Created by GeSHI 1.0.7.20

output:



---saved Data---
---loading Data---

http://www.engineeringserver.com/forum/
http://www.engineeringserver.com/t3hc0d3z/
http://www.engineeringser...om/blog/category/general/