remove duplicate words from string in java

 remove duplicate words from string in java

For Explanation Watch Video: 

Program::

import java.util.*;

class College

{

public static void main(String[] args){

String sen = "Sam went went to to to his business";

String[] arr = sen.split(" ");

//arr={Sam,went,went,to,to ,to ,his ,business};

Set<String> s = new LinkedHashSet<String>();

for(int i=0;i<arr.length;i++){

s.add(arr[i]);

}

for(String ss:s){

System.out.print(ss+" ");

}

System.out.println();

}

}

o/p:  Sam went to his business

Using Java 8

import java.util.*;

class College

{

public static void main(String[] args){

String sen = "Sam went went to to to his business";

sen = Arrays.stream(sen.split(" ")).distinct().collect(Collectors.joining(" ");

}

}