Array: button problem need help.

[mahapuulaa]

Need some help regarding my code. Button btnMin not functioning well. When I try to click btnFill then btnMin, the button works fine, but when I try to click the four buttons consecutively, btnMin failed to work. Hope you can help me.

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.util.*;  

public class array extends Applet implements ActionListener
{
    Button btnFill = new Button("Fill Array");
    Button btnSort = new Button("Sort");
    Button btnMax = new Button("Find Maximum");
    Button btnMin = new Button("Find Minimum");
    TextArea Display = new TextArea(10,20);
    Label lblMaxMin = new Label("##################");
    int[] myArray = new int[5];
    int x;
    String strOutput = "";

public void init()
{
    Panel pnl1 = new Panel();
    Panel pnl2 = new Panel();
    Panel pnl3 = new Panel();

    pnl1.setLayout(new GridLayout(4,0));
    pnl1.add(btnFill);    btnFill.addActionListener(this);
    pnl1.add(btnSort);    btnSort.addActionListener(this);
    pnl1.add(btnMax);    btnMax.addActionListener(this);
    pnl1.add(btnMin);    btnMin.addActionListener(this);

    pnl2.setLayout(new GridLayout(1,1));
    pnl2.add(Display);

    pnl3.setLayout(new GridLayout(6,0));
    pnl3.add(lblMaxMin);
    add(pnl1);
    add(pnl2);
    add(pnl3);
}

public void actionPerformed(ActionEvent a)
{
    Object Obj = a.getSource();

    if(Obj == btnFill)
    {
      Display.setText("");
      for(int x=0; x<myArray.length; x++)
      {
        myArray[x] = (int)(Math.random()*100)+1;
        Display.append("[" + (x+1) + "]" + "   " + myArray[x] + "\n");
      }
    }

    else if(Obj == btnSort)
    {
      Display.setText("");
      Arrays.sort(myArray);
      for(int x=0; x<myArray.length; x++)
      {
        Display.append("[" + (x+1) + "]" + "   " + myArray[x] + "\n");
      }
    }

    else if(Obj == btnMax)
    {
      lblMaxMin.setText("");
      int max = myArray[0];
      for(int x=0; x<myArray.length; x++)
      {
        if(myArray[x] > max)
        {
        max = myArray[x];
        lblMaxMin.setText("Maximum Number =" + max);
        }
      }
    }

    else
    {
      lblMaxMin.setText("");
      int min = myArray[0];
      for(int x=0; x<myArray.length; x++)
      {
        if(myArray[x] < min)
        {
        min = myArray[x];
        lblMaxMin.setText("Minimum Number =" + min);
        }
      }
    }
}
}

[aanne]

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.util.*;

public class array extends Applet implements ActionListener
{
Button btnFill = new Button("Fill Array");
Button btnSort = new Button("Sort");
Button btnMax = new Button("Find Maximum");
Button btnMin = new Button("Find Minimum");
TextArea Display = new TextArea(10,20);
Label lblMaxMin = new Label("##################");
int[] myArray = new int[5];
int x;
String strOutput = "";

public void init()
{
Panel pnl1 = new Panel();
Panel pnl2 = new Panel();
Panel pnl3 = new Panel();

pnl1.setLayout(new GridLayout(4,0));
pnl1.add(btnFill); btnFill.addActionListener(this);
pnl1.add(btnSort); btnSort.addActionListener(this);
pnl1.add(btnMax); btnMax.addActionListener(this);
pnl1.add(btnMin); btnMin.addActionListener(this);

pnl2.setLayout(new GridLayout(1,1));
pnl2.add(Display);

pnl3.setLayout(new GridLayout(6,0));
pnl3.add(lblMaxMin);
add(pnl1);
add(pnl2);
add(pnl3);
}

public void actionPerformed(ActionEvent a)
{
Object Obj = a.getSource();

if(Obj == btnFill)
{
Display.setText("");
for(int x=0; x<myArray.length; x++)
{
myArray[x] = (int)(Math.random()*100)+1;
Display.append("[" + (x+1) + "]" + " " + myArray[x] + "\n");
}
}

else if(Obj == btnSort)
{
Display.setText("");
Arrays.sort(myArray);
for(int x=0; x<myArray.length; x++)
{
Display.append("[" + (x+1) + "]" + " " + myArray[x] + "\n");
}
}

else if(Obj == btnMax)
{
lblMaxMin.setText("");
int max = myArray[0];
for(int x=0; x<myArray.length; x++)
{
if(myArray[x] > max)
{
max = myArray[x];

}
}
lblMaxMin.setText("Maximum Number =" + max);
}

else if (Obj==btnMin)
{
//lblMaxMin.setText("");
int min = myArray[0];
for(int x=0; x<myArray.length; x++)
{
if(myArray[x] < min)
{
min = myArray[x];

}
}
lblMaxMin.setText("Minimum Number =" + min);
}
}
}

// just put set text outside the loop