Java Program to reverse each word in String

by Online Tutorials Library July 22, 2022

Java Program to reverse each word in String

We can reverse each word of a string by the help of reverse(), split() and substring() methods. By using reverse() method of StringBuilder class, we can reverse given string. By the help of split(“\s”) method, we can get all words in an array. To get the first character, we can use substring() or charAt() method.

Let’s see the example to reverse each word in a string.

File: StringFormatter.java

 public class StringFormatter { public static String reverseWord(String str){ String words[]=str.split(“\s”); String reverseWord=””; for(String w:words){ StringBuilder sb=new StringBuilder(w); sb.reverse(); reverseWord+=sb.toString()+” “; } return reverseWord.trim(); } } 

File: TestStringFormatter.java

 public class TestStringFormatter { public static void main(String[] args) { System.out.println(StringFormatter.reverseWord(“my name is khan”)); System.out.println(StringFormatter.reverseWord(“I am Tutor Aspire Team”)); } } 

Output:

ym eman si nahk I ma oonos lawsiaj

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