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Java Exercises: Reverse a word

Java Basic: Exercise-61 with Solution

Write a Java program to reverse a word.

Pictorial Presentation: Reverse a word

Java Basic Exercises: Reverse a word

Sample Solution:

Java Code:

import java.util.*;
 public class Exercise61 {
     public static void main(String[] args){	
     Scanner in = new Scanner(System.in);
     System.out.print("\nInput a word: ");
	 String word = in.nextLine();
	 word = word.trim();
	 String result = ""; 
     char[] ch=word.toCharArray();  
	 for (int i = ch.length - 1; i >= 0; i--) {
			 result += ch[i];
		 }
	 System.out.println("Reverse word: "+result.trim()); 
	 }			
}

Sample Output:

Input a word: dsaf                                                     
Reverse word: fasd

Flowchart:

Flowchart: Java exercises: Reverse a word

Java Code Editor:

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Java: Tips of the Day

countOccurrences

Counts the occurrences of a value in an array.

Use Arrays.stream().filter().count() to count total number of values that equals the specified value.

public static long countOccurrences(int[] numbers, int value) {
    return Arrays.stream(numbers)
            .filter(number -> number == value)
            .count();
}

Ref: https://bit.ly/3kCAgLb