Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java String codePointAt() 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 codePointAt() method returns the Unicode value of the character at the specified index in a string.
Definition and Usage
Java String codePointAt() Method
❮ String Methods
Example
String myStr = "Hello";
int result = myStr.codePointAt(0);
System.out.println(result);Definition and Usage
The codePointAt() method returns the Unicode value of 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 int codePointAt(int
index )Parameter Values
| Parameter | Description |
|---|---|
| index | An int value, representing the index of the character to return |
Technical Details
| Returns: | An int value, representing the Unicode value of the character at the index |
|---|---|
| Throws: | IndexOutOfBoundsException - if index is negative or not less than the length of the specified string |
| Java Version: | 1.5 |