java - how to switch if and else statements to try and catch -


so made program have change if , else statements try , catch. appreciated :) here code:

import java.awt.*; import java.applet.*; import java.awt.event.*; import java.util.*;     public class showindex extends applet implements actionlistener  {  int [] number =new int[100];    random r= new random();    label indexlabel = new label(" index:");    textfield indexfield = new textfield(10);     label valuelabel = new label("value:");    textfield valuefield = new textfield(10);     button showbutton = new button ("show element");    public void init()       { int i;         for(i=0;i<100;i++)           number[i]=r.nextint(1000)+1;  // random number between 1 , 1000          add(indexlabel);         add(indexfield);         add(valuelabel);         add(valuefield);         add(showbutton);          showbutton.addactionlistener(this);         valuefield.seteditable(false);        }    public void actionperformed(actionevent e)            { string inputstring;         int num;         inputstring=indexfield.gettext();         num=integer.parseint(inputstring);         if(num>99 ||num<0)           valuefield.settext("outof bound");         else                 valuefield.settext(number[num]+"");        } }

don't use exception handling flow-control mechanism. retain if-clause.


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