do the following

write a program to enter the string and do the following 1- count totle number of vowel 2- replace vowel 3- delete the charactor from given value 4- riverce the string 5- convert second word in upercase 6- convert third word in lowercase

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June 12, 2013 at 4:48 PM

hi friend,

Try the following code, may this will be helpful for you

index.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">
<head>
<title>Index Page Example</title>
</head>
<body>
<table>
<tr>
<td><h:link value="Get No Of Vowels" outcome="vowel" /></td>
</tr>
<tr>
<td><h:link value="Get Reverse String" outcome="reverse" /></td>
</tr>
<tr>
<td><h:link value="Change Character In Upper Case" outcome="upperText" /></td>
</tr>
<tr>
<td><h:link value="Change Character In Lower Case" outcome="lowerText" /></td>
</tr>
<tr>
<td><h:link value="Delete Character" outcome="delete" /></td>
</tr>
</table>
</body>
</html>

Continue...

June 12, 2013 at 4:49 PM

vowel.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
<title>Count Vowel Example</title>
</h:head>
<h:body>
<h1>JSF Example</h1>
<h:form id="form1">
<table>
<tr>
<td>Enter String To Check Vowel : </td>
<td><h:inputText id="nameText" value="#{vowel.str}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15" accesskey="t"/></td>
<td><h:message for="nameText" style="color:red" /></td>
</tr>
<tr>
<td>Total No Of Vowels Are : </td>
<td><h:outputText value="#{vowel.count}"/></td>
</tr>
<tr>
<td><h:commandButton value="Get Vowel Count" action="#{vowel.getVowel(vowel.str)}" /></td>
</tr>
</table>
</h:form>
</h:body>
</html>

Continue...

June 12, 2013 at 4:50 PM

reverse.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
<title>Reverse String Example</title>
</h:head>
<h:body>
<h1>JSF Example</h1>
<h:form id="form1">
<table>
<tr>
<td>Enter A String To Reverse : </td>
<td><h:inputText id="text1" value="#{vowel.str}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15"/></td>
<td><h:message for="text1" style="color:red" /></td>
</tr>
<tr>
<td>New String After Reverse : </td>
<td><h:outputText value="#{vowel.revString}"/></td>
</tr>
<tr>
<td><h:commandButton value="Reverse Value" action="#{vowel.reverseString(vowel.str)}" /></td>
</tr>
</table>
</h:form>
</h:body>
</html>

Continue...

June 12, 2013 at 4:52 PM

upperText.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
<title>Upper Text Example</title>
</h:head>
<h:body>
<h1>JSF Example</h1>
<h:form id="form1">
<table>
<tr>
<td>Enter A String To Convert In Upper Case 
<table>
<tr>
<td>(Second Word Should Be In Lower Case)</td>
</tr>
</table>
</td>
<td><h:inputText id="text1" value="#{vowel.str}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15"/></td>
<td><h:message for="text1" style="color:red" /></td>
</tr>
<tr>
<td>New String In Upper Case : </td>
<td><h:outputText value="#{vowel.strUpper}"/></td>
</tr>
<tr>
<td><h:commandButton value="Get Upper" action="#{vowel.upper(vowel.str)}" /></td>
</tr>
</table>
</h:form>
</h:body>
</html>

Continue...

June 12, 2013 at 4:58 PM

lowerText.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
<title>Lower Text Example</title>
</h:head>
<h:body>
<h1>JSF Example</h1>
<h:form id="form1">
<table>
<tr>
<td>Enter A String To Convert In Lower Case 
<table>
<tr>
<td>(Third Word Should Be In Upper Case)</td>
</tr>
</table>
</td>
<td><h:inputText id="text1" value="#{vowel.str}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15"/></td>
<td><h:message for="text1" style="color:red" /></td>
</tr>
<tr>
<td>New String In Lower Case : </td>
<td><h:outputText value="#{vowel.strLower}"/></td>
</tr>
<tr>
<td><h:commandButton value="Get Lower" action="#{vowel.lower(vowel.str)}" /></td>
</tr>
</table>
</h:form>
</h:body>
</html>

Continue...

June 12, 2013 at 5:00 PM

delete.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
<title>Delete Character Example</title>
</h:head>
<h:body>
<h1>JSF Example</h1>
<h:form id="form1">
<table>
<tr>
<td>Enter A String : </td>
<td><h:inputText id="text2" value="#{vowel.str}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15"/></td>
<td><h:message for="text2" style="color:red" /></td>
</tr>
<tr>
<td>Enter Character To Delete : </td>
<td><h:inputText id="text1" value="#{vowel.ch1}" required="true" requiredMessage="Field Mustn't Be Empty" tabindex="5" maxlength="15" accesskey="c"/></td>
<td><h:message for="text1" style="color:red" /></td>
</tr>
<tr>
<td>New String After Delete</td>
<td><h:outputText value="#{vowel.str1}"/></td>
</tr>
<tr>
<td><h:commandButton value="Delete Character" action="#{vowel.deleteChar(vowel.ch1)}" /></td>
</tr>
</table>
</h:form>
</h:body>
</html>

Continue...

June 12, 2013 at 5:01 PM

FindVowel.java

package devmanuals;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;

@ManagedBean(name="vowel")
@RequestScoped
public class FindVowel {

    String str, str1, revString="", strUpper="", strLower="";

    int count=0;
    char ch;
    char ch1, ch2;

    public String getStrLower() {
        return strLower;
    }

    public String getStrUpper() {
        return strUpper;
    }

    public String getRevString() {
        return revString;
    }

    public String getStr() {
        return str;
    }

    public void setStr(String str) {
        this.str = str;
    }

    public int getCount()
    {
        return count;
    }

    public String getStr1()
    {
        return str1;
    }

    public char getCh1() {
        return ch1;
    }

    public void setCh1(char ch1) {
        this.ch1 = ch1;
    }

    public void lower(String str2)
    {
        //String newString="";
        StringBuffer sb = new StringBuffer();
        for(int i=0; i < str2.length(); i++)
        {
            //System.out.println(i+" "+str2.charAt(i));
            //str2.charAt(i);
            if(i < 2)
            {
            sb.append(str2.charAt(i));
            }
            if(i==2)
            {
                char c = str2.charAt(i);
                String u = Character.toString(c);
                sb.append(u.toLowerCase());             
            }
            if(i > 2)
            {
                sb.append(str2.charAt(i));
            }
        }
        strLower = sb.toString();       
    }   

    public void upper(String str2)
    {
        //String newString="";
        StringBuffer sb = new StringBuffer();
        for(int i=0; i < str2.length(); i++)
        {
            //System.out.println(i+" "+str2.charAt(i));
            //str2.charAt(i);
            if(i < 1)
            {
            sb.append(str2.charAt(i));
            }
            if(i==1)
            {
                char c = str2.charAt(i);
                String u = Character.toString(c);
                sb.append(u.toUpperCase());             
            }
            if(i > 1)
            {
                sb.append(str2.charAt(i));
            }
        }
        strUpper = sb.toString();       
    }

    public void reverseString(String str2)
    {       
        for(int i=str2.length()-1; i >= 0; i--)
        {
            revString = revString+str2.charAt(i);           
        }       
    }

    public void deleteChar(char c)
    {
        if(c != 0)
        {
            for(int i=0; i< str.length(); i++)
            {
                ch2 = str.charAt(i);
                if(c == ch2)
                {
                    str1 = str.replace(""+c, "");
                }
            }
        }       
    }

    public void getVowel(String text)
    {       
        if(text != null)
        {                   
            for(int i = 0; i< text.length(); i++)
            {
                ch = text.charAt(i);
                if(ch == 'a' || ch == 'A' || ch == 'e' || ch == 'E' || ch == 'i' ||
                    ch == 'I' || ch == 'o' || ch == 'O' || ch == 'u' || ch == 'U')
                {
                    count++;
                }
            }       
        }
    }   
}

Thanks.