Flash cards
Review the key moves
What is the main idea behind Java String compareTo() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
Which statement best captures the main point of this lesson?
Complete the missing token from the example code.
___ myStr1 = "Hello";Put the learning moves in the order that makes the concept easiest to apply.
❮ String Methods
Example
String myStr1 = "Hello";
String myStr2 = "Hello";
System.out.println(myStr1.compareTo(myStr2)); // Returns 0 because they are equalDefinition and Usage
The compareTo() method compares two strings lexicographically.
The comparison is based on the Unicode value of each character in the strings.
The method returns 0 if the string is equal to the other string. A value less than 0 is returned if the string is less than the other string (less characters) and a value greater than 0 if the string is greater than the other string (more characters).
Tip
Use compareToIgnoreCase() to compare two strings lexicographyically, ignoring lower case and upper case differences.
Tip
Use the equals() method to compare two strings without consideration of Unicode values.
One of the following
public int compareTo(String
string2 )public int compareTo(Object
object )Parameter Values
| Parameter | Description |
|---|---|
| string2 | A String , representing the other string to be compared |
| object | An Object , representing an object to be compared |
Technical Details
| Returns: | An int value: 0 if the string is equal to the other string. < 0 if the string is lexicographically less than the other string > 0 if the string is lexicographically greater than the other string (more characters) |
|---|