Java is one of the many islands in the Indonesian archipelago and is home to the Capital City Jakarta in the west of the island. West Java doesn't get too much foreign tourism but is a hotspot with domestic tourists. Central and East Java are the most popular parts of Java. Central Java is known for its Historical building and impressive Heritage sites. East Java presents contrasting landscapes and some of Indonesia's most spectacular natural wonders. Bali is close to East Java and is a part of the reason why this region becoming so popular.

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Hello guys, if you are wondering how to count number of vowels and consonants in a given word in Java then you have come to the right place. In the past, I have shared 100+ data structure questions and more than 75 programming interview questions, and In this article, we will take on a popular programming exercise of counting vowels in a word. You need to write a Java program to count how many vowels in a String, which is entered from the command prompt. It's similar to the program of counting the occurrence of characters in a String, in fact, it's a special case, where you need to count occurrences of all vowels, which includes five characters a, e, i, o and u. We will also use Scanner to get input from the user to make this this program an interactive exercise as shown in this article. Though I have put down all code inside the main method for quick testing. If you are asked to write this program as part of your homework or during the interview, better writing a method called public int countVowels(String word) and put the logic of counting vowels there. That's a better coding style than writing everything inside the main method. By the way, you can also use this logic to count number of consonants in a Java String. What you need to do is first count number of vowels and then subtract those characters from length of String, but remember this will only work if your String contains only alphabetic words, if it contains special character like @, _, | or numbers like 1,2,3 etc, than it will not work. In that case you need to extend your logic to only count consonants, by extending your switch case to include rest of 21 characters from English alphabets. Java Program to count vowels and consonants in String Here is our complete Java Program to count the number of vowel and consonants in Java: import java.util.Scanner; /** * Java Program to count vowels in a String. It accept a String from command prompt * and count how many vowels it contains. To revise, 5 letters a, e, i, o and u are * known as vowels in English. */ public class VowelCounter { public static void main(String args[]) { System.out.println("Please enter some text"); Scanner reader = new Scanner(System.in); String input = reader.nextLine(); char[] letters = input.toCharArray(); int count = 0; for (char c : letters) { switch (c) { case 'a': case 'e': case 'i': case 'o': case 'u': count++; break; default: // no count increment } } System.out.println("Number of vowels in String [" + input + "] is : " + count); } } Output: Please enter some text How many vowels in this String Number of vowels in String [How many vowels in this String] is : 7 You can see that the above String contains 7 vowel characters, highlighted by red font. This method is pretty quick as we are only accessing the array and the using switch to compare it to another character. If you notice the switch statement that you will see that we are using fall-through approach, means there is no break for all five cases, as you don't need to put break after every case. it will only increase count at one time, because increment is done at last case statement. By the way, you can reduce all this code to just few lines using Java 8 Lambda and Stream API as shown below: Arrays.stream(input.split("")) .filter(character -> "AEIOU".contains(character.toUpperCase())) .count(); That's all folks on this programming exercise to count Vowel and consonants in Java. It's interesting to count number of vowels or consonants in Java String, and you can do it differently as well. If you are keen to do more programming exercise, try to come out with a different solution and then compare that with this solution. Other Java Programming exercise for Practice How to check Prime numbers in Java Write a Java program to calculate GCD of two numbers How to print pyramid pattern in Java How to Find Nth Fibonacci Number in Java? How to rotate an array in Java? How to transpose a Matrix in Java? How to print a left triangle star pattern in Java How to implement Fibonacci series with caching Write a Java program to check Armstrong number in Java How to find if a number is palindrome in Java Java Program to print Fibonacci Series using Recursion Thanks for reading this article so far. If you find this question interesting and my solution worth learning then big thank you. Feel free to ask any question or doubt you have in comment section.

Jam-packed with SO many hidden gems, Java should be on the top of everyone’s bucket list! Java is the main island of Indonesia, and one of the most popular travel destinations in Indonesia. But in addition to that, it has an abundance of attractive landmarks that make a visit here more than worthwhile.

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Where to go in Indonesia? Achieve your travel goals with this list of beautiful destinations, top things to do, must-see places & more.Where to go in Indonesia? Achieve your travel goals with this list of beautiful destinations, top things to do, must-see places & more

Die Stadt Yogyakarta liegt im Zentrum auf der Insel Java und bietet viele traditionelle und kulturelle Highlights. In und rund um Yogyakarta gibt es viele Sehenswürdigkeiten und Ausflugsmöglichkeiten. Einige davon möchte ich euch vorstellen.

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There are several ways to create an array in Java, for example, you can declare the array without initializing it, or you can create and initialize the array in the same line. If you want to make an array with values, then you need to first decide which type of array you want to create? e.g., do you want a String array, which can contain String objects like "abc," "def," or do you want to create an int array that contains int values like 10, 20, etc. In Java, you can create an array of any type, including primitives like byte, int, long, and objects like String, Integer, and other user-defined objects. Let's some code to make a new array in Java. 1. Creating String array in Java There are three main ways to create a String array in Java, e.g. here is a String array with values : String[] platforms = {"Nintendo", "Playstation", "Xbox"}; and here is a String array without values : String[] games = new String[5]; This array can hold 5 String objects because its length is 5. It's mandatory to define the length of a variety while making, and you cannot change the length once created. You can also do something like this : String[] actors = new String[5]{"Hero", "Heroine", "Friend", "Villain", "Dragon"}; All there are correct ways to make an array in Java. Though, if you are not familiar with an essential data structure like an array and linked list, then I suggest you first go through these best data structure and algorithms online courses. It's a very important topic for any programmer be it a core Java developer or Java web developer and you just can not afford to ignore this. How to create an Int array in Java? You can use the same syntax as shown above to create an int array, all you need to do is replace String with int values as shown below : making an int array with values int[] primes = {2, 3, 5, 7}; int array without values : int[] even = new int[5]; length of this array is 5, hence it can only hold 5 int values. If you don't assign values then by default they hold the default value of their type like int array will have zero in every index, and the String array will have null. You can further see these best Java online courses learn more about different types of the array in Java. How to access array elements in Java? You can access array elements using index, e.g. primes[0] will return the first element from an array that is referenced by the prime variable. Remember, the array index starts with zero. If you want to iterate over an array, i.e. wants to go access every element then you can use a loop, e.g. for, while or a do-while loop. You can also use advanced for loop in Java, which allows you to iterate over array without index as shown below : for(String str : platforms){ System.out.println(str); // Nintendo, Playstation, Xbox } The minimum index in the array is zero, and the maximum index is length - 1. That's all about how to make an array in Java. You have also learned how to initialize the array at the time they are created and how to access them with and without index using advanced for a loop. Though, there are many ways to create an array in Java and even more ways to loop over them. For example, you can also use while, do-while, and classic for loop to iterate over an array in Java. Other Java array tutorials you may like Do you want to learn more about the array data structure? The most important Data structure for a programmer - If Yes, here are a couple of more articles which you can explore to learn about Array better: How to create an array from ArrayList of String in Java (tutorial) Top 30 Array-based Coding Problems from Interviews (questions) 7 Best Udemy courses to learn Data Structure and Algorithms (courses) How to remove duplicates from an unsorted array in Java? (solution) 10 Data Structure Courses to Crack Programming Interviews (courses) Best of Data Structure Problems from Interviews (questions) 10 Courses to learn Data Structure and Algorithms in Java (courses) How to find all pairs whose sum is equal to a given number in an array? (solution) 10 Courses to learn Java for Beginners (courses) How to reverse an array in place in Java? (solution) 10 Algorithms Books Every Programmer Should Read (books) 10 Free Data Structure and Algorithm Courses for Beginners (courses) Top 20 Searching and Sorting Interview Questions (questions) How to make a binary search tree in Java? (solution) 10 (Free) Online Courses to Learn Data Structure and Algorithms in Java (courses) 50+ Data Structure and Algorithms Interview Questions (questions) Thanks for reading this article so far. If you like this article then please share it with your friends and colleagues. If you have any questions or feedback then please drop a note. P. S. - If you are looking to learn Data Structure and Algorithms from scratch or want to fill gaps in your understanding and looking for some free courses, then you can check out this list of Free Algorithms Courses on HackerNoon to start with.

All tips and tricks of things you need to know before going to Java, Indonesia. Including how to get around, what to expect and what to bring to Java.

We spent a total of two absolutely incredible months travelling through Indonesia. But, our two week Java itinerary was truly epic! In fact, I'd go so far as to say that Java, Indonesia is one of my favourite parts in

Java is an island located between Bali and Sumatra, in Indonesia. It is home to many volcanoes and waterfalls and has so many amazing things to offer. Discover my 7-day itinerary in this blog article.

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Do you know that despite going through numerous lectures, notes, training sessions, etc., and covering all the required concepts, most of the programmers still don t get enough confidence and expertise with their programming skills? Want to know the main reason behind that ?? Okay, so it is due to the