// Find Longest Word in a sentence in java
import javax.swing.*;
class LongStr
{
public static void main(String arg[])
{
String name=JOptionPane.showInputDialog("Enter a sentence");
name+=" ";
String str="",lword="";
for(int i=0;i < name.length();i++)
{
        str+=name.charAt(i);
        if(name.charAt(i)==' ')
        {
		if(str.length() > lword.length())
		{
			lword=str;	
		}
	str="";
	}
}
System.out.println("Longest Word in a Sentence  : "+lword);
}
}