What does toUpperCase do in java?
The java string toUpperCase() method of String class has converted all characters of the string into an uppercase letter.
How do you find the length of a string in java?
String Class
- String Length in Java. String length returns the number of characters in a string.
- Syntax. int length = stringName.length();
- Notes. Spaces count as characters.
- Example. String name = “Anthony”; int nameLength = name.length(); System.out.println(“The name ” + name + ” contains ” + nameLength + “letters.”);
What is String method in java?
All String Methods
| Method | Description | Return Type |
|---|---|---|
| toString() | Returns the value of a String object | String |
| toUpperCase() | Converts a string to upper case letters | String |
| trim() | Removes whitespace from both ends of a string | String |
| valueOf() | Returns the string representation of the specified value | String |
How do you input a String in java?
Example of nextLine() method
- import java.util.*;
- class UserInputDemo1.
- {
- public static void main(String[] args)
- {
- Scanner sc= new Scanner(System.in); //System.in is a standard input stream.
- System.out.print(“Enter a string: “);
- String str= sc.nextLine(); //reads string.
How do I convert a string to all uppercase in Java?
The java string toUpperCase() method returns the string in uppercase letter. In other words, it converts all characters of the string into upper case letter. The toUpperCase() method works same as toUpperCase(Locale.
What is the length of string?
The “length” of a string may not be exactly what you expect. It turns out that the string length property is the number of code units in the string, and not the number of characters (or more specifically graphemes) as we might expect. For example; “😃” has a length of 2, and “👱♂️” has a length of 5!