Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java String charAt() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ myStr = "Hello";3Order
Put the learning moves in the order that makes the concept easiest to apply.
The charAt() method returns the character at the specified index in a string.
Definition and Usage
Java String charAt() Method
❮ String Methods
Example
String myStr = "Hello";
char result = myStr.charAt(0);
System.out.println(result);Definition and Usage
The charAt() method returns the character at the specified index in a string.
The index of the first character is 0, the second character is 1, and so on.
Syntax
public char charAt(int
index )Parameter Values
| Parameter | Description |
|---|---|
| index | An int value representing the index of the character to return |
Technical Details
| Returns: | A char value at the specified index of this string. The first char value is at index 0 |
|---|---|
| Throws: | IndexOutOfBoundsException - if index is negative or not less than the length of the specified string |