arraylist

how can i implement an arraylist to store integer values and then retrieve them in a new method

and wht are all synatx tht shd i use

[145 byte] By [brittle_bonda] at [2007-11-27 10:48:10]
# 1

Have you even tried?

ita6cgra at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 2

[delete]

ita6cgra at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 3

yes i tried it bt not getting d rite thing

brittle_bonda at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 4

Post what you tried

ita6cgra at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 5

import java.awt.*;

import java.awt.event.*;

import java.lang.*;

import java.applet.*;

import java.util.ArrayList;

/*

<applet code="Demo" width=250 height=150>

</applet>

*/

public class Demo extends Applet implements ActionListener{

Label llist[] = new Label[2];

Button blist[] = new Button[2];

static String xx[] = {"one","one1"};

static String yy[] = {"two","two1"};

ArrayList a = new ArrayList();

Button two;

Label one;

public void init()

{

for(int i=0;i<2;i++)

{

one = new Label(xx);

llist=(Label) add(one);

two= new Button(yy);

two.setFont(new Font("SansSerif", Font.BOLD, 18));

blist = (Button) add(two);

two.addActionListener(this);

a.add(20);

}

}

public void actionPerformed(ActionEvent ae)

{

String str = ae.getActionCommand();

if(str.equals("two"))

{

msg = "You pressed two.";

}

repaint();

}

public void paint(Graphics g)

{

llist[0].setLocation(a.get(0),a.get(0));

g.drawstring(msg,200,200);

}

}

brittle_bonda at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 6

Firstly this looks suspicously like code from a tutorial. Secondly please use the code tags. And thirdly have you tried any of the online tutorials which refer to arrays/arraylists/collections?

ita6cgra at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 7

Ok this is a crosspost:

http://forum.java.sun.com/thread.jspa?threadID=5195618&tstart=0

ita6cgra at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...
# 8

List listA = new ArrayList();

List listB = new ArrayList();

for (int i = 0; i < 10; i++) {

System.out.println(" - Storing Integer(" + i + ")");

listA.add(new Integer(i));

}

passion_for_javaa at 2007-7-28 22:24:54 > top of Java-index,Java Essentials,Java Programming...