Question

How to arrange words of a sentence in alphabetical order in Java

Answer 1

import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;

public class MyClass {
    public static void main(String args[]) {
        String s = "Java is a class based object oriented programming language";
        Set tset = new TreeSet();

        StringTokenizer sToken = new StringTokenizer(s, " ");
        while(sToken.hasMoreElements())    {
            tset.add(sToken.nextElement());
        }
        System.out.println(tset);
    }
}



/*
run:

[Java, a, based, class, is, language, object, oriented, programming]

*/

 

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Answer 2

import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;

public class MyClass {
    public static void main(String args[]) {
        String s = "Java is a class based object oriented programming language";
        Set tset = new TreeSet();
        
        StringTokenizer sToken = new StringTokenizer(s, " ");
        s = "";
        while(sToken.hasMoreElements())    {
            tset.add(sToken.nextElement());
        }
        
        for(Object str : tset) {
            s += str + " ";
        }     

        System.out.println(s);
    }
}
 
 
 
/*
run:
 
Java a based class is language object oriented programming 
 
*/

 

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