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program for extracting vowel from sentence using array

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//program for extracting vowel from sentence using array
import java.io.*;
class vl1
{
  public static void main(String args[])throws IOException
 {
  DataInputStream in = new DataInputStream(System.in);
  System.out.println("enter the sentence");
  String s=in.readLine();//stores the entered string in s
  String tmp="",h="";
  s=s.trim();

  String g=s.toLowerCase();

  g=g+" ";

  int count=0,p=0,i;
  int l=g.length();
 try
{//for counting no.of spaces in the string entered
 for( i=0;i<l;i++)
   {
     char ch=g.charAt(i);
     if(ch==' ')
count+=1;

   }

String d[]=new String[count];//array declaration with size
for(i=0;i<l;i++)
{
  char ch=g.charAt(i);
     if(ch!=' ')
tmp=tmp+ch;

else
{
d[p]=tmp;
p+=1;
tmp="";
}
}
int j;
//for printing vowels from the sentences
for( i=0;i<count;i++)
{
String m=d[i];
h="";
  for(j=0;j<m.length();j++)
{      char x = m.charAt(j);
if(x=='a'||x=='i'||x=='e'||x=='o'||x=='u')
      h=h+x;

}
System.out.println("Vowels in "+d[i]+"\t are: "+h);
}

}//try block ends
catch(ArrayIndexOutOfBoundsException e)//catching an exception
{
System.out.println(e);
}
}
}

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