Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java String substring() 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, World!";3Order
Put the learning moves in the order that makes the concept easiest to apply.
The substring() method returns a substring from the string.
Definition and Usage
Java String substring() Method
❮ String Methods
Example
String myStr = "Hello, World!";
System.out.println(myStr.substring(7, 12));Definition and Usage
The substring() method returns a substring from the string.
If the end argument is not specified then the substring will end at the end of the string.
One of the following
public String substring(int
start , int
end )public String substring(int
start )Parameter Values
| Parameter | Description |
|---|---|
| start | Required. The index of the character at which the substring starts. |
| end | Optional. The index after the last character of the substring. |
Technical Details
| Returns: | A String containing a substring of the string. |
|---|---|
| Throws: | IndexOutOfBoundsException - If start or end are negative or they are greater than the length of the string or if start is greater than end . |
| Java version: | Any |