Q-HOW TO PRINT WORDS WHICH START WITH VOWEL ​?


import java.util.*;
class firstvowel
{   

public static void main(String args[])   

{       
Scanner ob=new Scanner(System.in);       
String str,t="",v="aeiouAEIOU",r="";       
System.out.println("enter string");       
str=ob.nextLine()+" ";       
for(int i=0;i<str.length();i++)       
{           
char ch=str.charAt(i);           
if(ch!=' ')         
{               
t=t+ch;         
}           
else         
{               
if(v.indexOf(t.charAt(0))!=-1)             
{                 
r=r+t+" ";               
t="";             
}     
}   
}   
System.out.println(r+" ");
}
}
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