Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java String copyValueOf() 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.
___[] myStr1 = {'H', 'e', 'l', 'l', 'o'};3Order
Put the learning moves in the order that makes the concept easiest to apply.
The copyValueOf() method returns a String that represents the characters of a char array.
Definition and Usage
Java String copyValueOf() Method
❮ String Methods
Example
char[] myStr1 = {'H', 'e', 'l', 'l', 'o'};
String myStr2 = "";
myStr2 = myStr2.copyValueOf(myStr1, 0, 5);
System.out.println("Returned String: " + myStr2);Definition and Usage
The copyValueOf() method returns a String that represents the characters of a char array.
This method returns a new String array and copies the characters into it.
Syntax
public static String copyValueOf(char[]
data , int
offset , int
count )Parameter Values
| Parameter | Description |
|---|---|
| data | A char array |
| offset | An int value, representing the start index of the char array |
| count | An int value, representing the length of the char array |
Technical Details
| Returns: | A String , representing the characters of the char array |
|---|---|
| Throws: | StringIndexOutOfBoundsException - if offset is negative or out of reach, or if count is greater than the length of the char array, or negative |