How do you get the first character of a string?

Method 1: Using String. The charAt() method accepts a parameter as an index of the character to be returned. The first character in a string is present at index zero and the last character in a string is present at index length of string-1 . Now, print the first and the last character of the string.

How do you get the last character of a string in Java?

If we want to get the last character of the String in Java, we can perform the following operation by calling the “String. chatAt(length-1)” method of the String class. For example, if we have a string as str=”CsharpCorner”, then we will get the last character of the string by “str. charAt(11)”.

How do I extract a character from a string in Java?

Create an empty char array of size 1. 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 get the last character of a string?

Getting the Last Character from String If you want to retrieve the last character from String then you can call charAt(length -1) where length is the length of a given String. For example, if the given String is “Avengers” then “Avengers”.

How do I convert a string to a char?

We can convert String to char in java using charAt() method of String class. The charAt() method returns a single character only. To get all characters, you can use loop.

How do I print the first letter of each word in Java?

11 Answers

  1. Declare a variable “initials” to hold the result.
  2. Split the fullname string on space, and iterate on the single words.
  3. Add to initials the first character of each word.

How do I get the first character of a string in Swift?

Use the startIndex property to access the position of the first Character of a String . The endIndex property is the position after the last character in a String . As a result, the endIndex property isn’t a valid argument to a string’s subscript. If a String is empty, startIndex and endIndex are equal.

How do you get the first character of a string in Kotlin?

Kotlin string indexing It uses indexing operations and alternative string methods. The indexes start from zero; therefore, the first character has zero index. The index of the character is placed between square brackets. The first() method returns the first and the last() returns the last character of the string.

How do I extract words from a string?

  1. public static void main(String args[])
  2. String str = “Hey this is Ram”;
  3. String [] words = str. split(” “, 3);
  4. for (String word : words)
  5. System. out. println(word);

How do I convert a string to char in Java?

Let’s see the simple example of converting String to char in java.

  1. public class StringToCharExample1{
  2. public static void main(String args[]){
  3. String s=”hello”;
  4. char c=s.charAt(0);//returns h.
  5. System.out.println(“1st character is: “+c);
  6. }}

How do I convert an int to a char in Java?

If you store integer value in a single quote, it will store actual character in char variable.

  1. public class IntToCharExample4{
  2. public static void main(String args[]){
  3. int a=’1′;
  4. char c=(char)a;
  5. System.out.println(c);
  6. }}

How to convert Char to string Java?

Convert char array to String in Java Using String Constructor The simplest solution is to pass the char array into the String constructor. String.valueOf () or String.copyValueOf () We can encapsulate the String construtor call by using String.valueOf () or String.copyValueOf () which internally does the same thing. Using StringBuilder

How to get first character of string?

The idea is to use charAt () method of String class to find the first and last character in a string.

  • The charAt () method accepts a parameter as an index of the character to be returned.
  • The first character in a string is present at index zero and the last character in a string is present at index length of string-1 .

    • How to get the character in a string in Java?

    Method 1: Using String.charAt () method The idea is to use charAt () method of String class to find the first and last character in a string. The charAt () method accepts a parameter as an index of the character to be returned. The first character in a string is present at index zero and the last character in a string is present at index length of string-1 .

    How do you replace string in Java?

    There are four overloaded method to replace String in Java : replace(char oldChar, char newChar) replace(CharSequence target, CharSequence replacement) replaceAll(String regex, String replacement) replaceFirst(String regex, String replacement) Out of these, 2nd one which takes a CharSequence is added on Java 1.5.