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reverse words in a string java

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Breakable Beaver answered on March 14, 2020 Popularity 9/10 Helpfulness 1/10

answer reverse words in a string java

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reverse words in a string java

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-1

// Java Program to reverse a String
// without using inbuilt String function
import java.util.regex.Pattern;
public class Exp {
 
    // Method to reverse words of a String
    static String reverseWords(String str)
    {
 
        // Specifying the pattern to be searched
        Pattern pattern = Pattern.compile("\\s");
 
        // splitting String str with a pattern
        // (i.e )splitting the string whenever their
        // is whitespace and store in temp array.
        String[] temp = pattern.split(str);
        String result = "";
 
        // Iterate over the temp array and store
        // the string in reverse order.
        for (int i = 0; i < temp.length; i++) {
            if (i == temp.length - 1)
                result = temp[i] + result;
            else
                result = " " + temp[i] + result;
        }
        return result;
    }
 
    // Driver methods to test above method
    public static void main(String[] args)
    {
        String s1 = "Welcome to geeksforgeeks";
        System.out.println(reverseWords(s1));
 
        String s2 = "I love Java Programming";
        System.out.println(reverseWords(s2));
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: www.geeksforgeeks.org

Tags: java reverse string words

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Contributed on Nov 16 2022

Breakable Beaver

0 Answers Avg Quality 2/10

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reverse string in java

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String reverse = new StringBuilder(string).reverse().toString();

Popularity 10/10 Helpfulness 6/10 Language java

Source: Grepper

Tags: java

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Contributed on Jul 19 2021

Kirk-Patrick Brown

0 Answers Avg Quality 2/10

reverse sentence in java

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// INPUT: "you shall not pass"
// OUTPUT: "pass not shall you"
  
String s[] = "you shall not pass".split(" "); 
String ans = ""; 
for (int i = s.length - 1; i >= 0; i--) {
  ans += s[i] + " ";
}
System.out.println(ans);

Popularity 9/10 Helpfulness 6/10 Language java

Source: www.educative.io

Tags: java

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Contributed on Mar 06 2021

Marton

0 Answers Avg Quality 2/10

how to reverse a string in java

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public class ReverseString {
    public static void main(String[] args) {
        String s1 = "neelendra";
        for(int i=s1.length()-1;i>=0;i--)
            {
                System.out.print(s1.charAt(i));
            }
    }
}

Popularity 10/10 Helpfulness 5/10 Language java

Source: stackoverflow.com

Tags: java

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Contributed on Mar 14 2020

Annoying Anaconda

0 Answers Avg Quality 2/10

reverse a string in java

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public class StringReverseExample{
   public static void main(String[] args) {
      String string = "abcdef";
      String reverse = new StringBuffer(string).reverse().toString();
      System.out.println("\nString before reverse: "+string);
      System.out.println("String after reverse: "+reverse);
   }
}

Popularity 10/10 Helpfulness 5/10 Language java

Source: www.tutorialspoint.com

Tags: java

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Contributed on Aug 20 2021

Ahmad Mujtaba

0 Answers Avg Quality 2/10

string reverse in java

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String str = "Hello";
String reverse(String str){
  StringBuilder sb = new StringBuilder();
  sb.append(str);
  sb.reverse();
  return sb.toString();
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on May 09 2020

Lonely Lark

0 Answers Avg Quality 2/10

Reverse a String in Java

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public class ReverseStringByFavTutor

{

   public static void main(String[] args) {


       String stringExample  =  "FavTutor";

       System.out.println("Original string: "+stringExample);


       // Declaring a StringBuilder and converting string to StringBuilder

       StringBuilder reverseString = new StringBuilder(stringExample);


       reverseString.reverse();  // Reversing the StringBuilder


       // Converting StringBuilder to String

       String result = reverseString.toString();


       System.out.println("Reversed string: "+result); // Printing the reversed String


   }

}

Popularity 10/10 Helpfulness 4/10 Language java

Source: favtutor.com

Tags: java

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Contributed on Jan 24 2022

Itchy Impala

0 Answers Avg Quality 2/10

reverse a string in java

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// Not the best way i know but i wanted to challenge myself to do it this way so :)
public static String reverse(String str) {
  char[] oldCharArray = str.toCharArray();
  char[] newCharArray= new char[oldCharArray.length];
  int currentChar = oldCharArray.length-1;
  for (char c : oldCharArray) {
    newCharArray[currentChar] = c;
    currentChar--;
  }
  return new String(newCharArray);
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: inverse

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Contributed on Feb 11 2021

BradBot_1

0 Answers Avg Quality 2/10

reverse each word in a string java

Comment

Using 'StringTokenizer' class in JAVA

/*
Input : "hellow how are you?"
Output : wolleh woh era ?uoy 
*/
public class Main {
	
  	// function to reverse a string 
    static String revString(String str){

        String reversedString = "";
        int i = str.length()-1;
        while(i >= 0){
            reversedString += str.charAt(i);
            i--;
        }
        return reversedString;
    }

    public static void main(String ... args){

        Scanner scn = new Scanner(System.in); // input 

        System.out.print("Enter a sentence : ");
        String sentence = scn.nextLine(); // "Hello how are you?"

        StringTokenizer tokenObj = new StringTokenizer(sentence, " ");

        while(tokenObj.hasMoreTokens()){// loop while tokenObj is not empty
            String word = tokenObj.nextToken();// fetch next token from tokenObj
            String reveredstring = revString(word); 
            System.out.print(reveredstring + " ");
        }

    }
}

Popularity 8/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: each java

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Contributed on May 12 2023

Yashasvi

0 Answers Avg Quality 2/10

String reverse in java

Comment

1)
String str = "Hello";
String result = "";

  for(int i = str.length()-1; i>=0; i--){
     result += str.charAt(i); // first solution, charAt method
 //  result += str1.substring(i, i+1); // first solution,  substring method
   }
   System.out.println(result);
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 04 2021

Ozzzy

0 Answers Avg Quality 2/10

String reverse in Java

Comment

StringBuilder sb1 = new StringBuilder("Mahmut");
        sb1.reverse();
        System.out.println(sb1); // tumhaM

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 09 2021

Ozzzy

0 Answers Avg Quality 2/10

reverse words in a string java

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