How do I extract a specific word from a String in Java?

1. import java.util.Scanner;
2. public class string {
3. public static void main(String args[]){
4. Scanner sc = new Scanner(System.in);
5. String sentence = “This is a bird”;
6. System.out.println(“Enter a word to extract from the string: “);
7. String wordToextract = sc.next();
8. if(sentence.contains(wordToextract)){

How do I get a single letter from a String?

Copy the element at specific index from String into the char[] using String. getChars() method….Using String. charAt() method:

1. Get the string and the index.
2. Get the specific character using String. charAt(index) method.
3. Return the specific character.

How do I find a specific word in a String?

The fastest way to check if a string contains a particular word or substring is with the help of String. indexOf() method. This method returns the index of the first occurrence of the specified substring inside the calling String object. If the substring or word is not found, it returns -1.

How do I extract a letter from a String in Java?

Character Extraction in Java

1. There are several ways by which characters can be extracted from String class object.
2. charAt() method is used to extract a single character at an index.
3. In above example ch will contain character l.
4. It is used to extract more than one character.

How do I return one letter from a string in Java?

The Java String charAt(int index) method returns the character at the specified index in a string. The index value that we pass in this method should be between 0 and (length of string-1). For example: s. charAt(0) would return the first character of the string represented by instance s.

Can a string be a single letter Java?

There is no special handling of single-character String literals (not even of the 0-letter String literal “” ).

How do you check if a word is present in a string in Java?

You can use contains(), indexOf() and lastIndexOf() method to check if one String contains another String in Java or not. If a String contains another String then it’s known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1.

How do you explode a string in Java?

Java String split() method with regex and length example 2

1. public class SplitExample3 {
2. public static void main(String[] args) {
3. String str = “Javatpointtt”;
4. System.out.println(“Returning words:”);
5. String[] arr = str.split(“t”, 0);
6. for (String w : arr) {
7. System.out.println(w);
8. }

How do you split a string in java?

What is the function used to extract a single character from a string object?

Q.	Which of these method of class String is used to extract a single character from a String object?
B.	chatat()
C.	charAt()
D.	ChatAt()
Answer» c. charAt()

How to extract single word from a string in Java?

The above program will help you to extract single word from the sentence. first the program will check if the word is available in the sentence or not using contains () method of String class and then fetch it’s index using indexOf () method. At the end, Using subString method (int begin, int last) the word will be fetched.

How to print a string in Java programming?

To print a string in Java Programming, first you have to ask to the user to enter the string and place that string in any variable say str, and now place this variable str in the bracket of System.out.print(). Java Programming Code to Print String.

How do I print a single char from a string?

there are ways by using which you can print single charecter from string. First way is to convert your given string into Charecter type array and then you can print wanted chafecter by using index number. For converting string to char array you can use toCharArray() method. Second way is using charAt() method.

How to remove repeated words from a string array in Java?

Then inner loop will check by comparing every word contained in the words String array with the word selected by outer loop with the help of equals () String method and if it matches then set count=1 and words [j]=” ” so that the repeated word is removed from the words array and then come out of the inner array.