Java Program – How to Reverse Sentences in String1 min read

Reverse a sentence word by word in java:

Reversing a string in java is easy. Here we reverse the sentence of words from back to front rather than reversing each word.

Example: Let us consider a string “I am a code” and the output will be “code a am I“.

First, we take a String from user input with the help of a Scanner class. Then we again with help of split() function we split the input string into separate words that is String[] wordsRev = str.split("\s");.

Take an empty string to store the reverse sentence. Then the iteration of for loop starts for i equal to the length of the words present in a string. Then the split words are store in the result String from backward inside the for loop.

For loop will continue until i is less than or equal to zero. Integer i will decrease by 1 at every iteration. Since we take the length from backward we decrease the value of i.
At last, print the result String(resultString).

Java Program to Reverse a Sentence Word by Word

The output of reversing the words in a sentence n java:


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