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reverse each word in a string java

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Yashasvi answered on October 13, 2021 Popularity 8/10 Helpfulness 3/10

answer reverse each word in a string java

related java reverse a word

related reverse words in a string java

reverse each word in a string java

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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 reverse string word

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Contributed on May 12 2023

Yashasvi

0 Answers Avg Quality 2/10

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java reverse a word

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To reverse a word 

- Put all the letters in a stack and pop them out. 
Because of the LIFO order of stack, you will get the letters in 
reverse order.

Popularity 10/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Oct 13 2021

Magnificent Monkey Adi

0 Answers Avg Quality 2/10

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

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Contributed on Nov 16 2022

Breakable Beaver

0 Answers Avg Quality 2/10

reverse each word in a string java

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