How to Split String in Java?

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How to Split String in Java?

[WiliamJames]

In Java, you can split a string into an array of substrings using the split method of the String class. Here's an example:

rust:

String str = "Hello World!";
String[] parts = str.split(" ");
for (String part : parts) {
System.out.println(part);
}

Output:


Hello
World!


The split method takes a regular expression as an argument and returns an array of substrings split along the matches of the regular expression. In the example above, the regular expression is a space character (" "), so the string is split into an array of two parts, "Hello" and "World!".

Note that the split method can also be called with a limit argument, which specifies the maximum number of substrings that should be returned. For example:

rust

String str = "Hello World! How are you?";
String[] parts = str.split(" ", 3);
for (String part : parts) {
System.out.println(part);
}
Output:

sql


Hello
World!
How are you?

In this case, the limit argument is 3, so the string is split into an array of three parts, "Hello", "World!", and "How are you?"


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Splitting Strings in Java
Using the split() method
Java provides a built-in split() method to divide a string into an array of substrings based on a specified delimiter.

Java
String str = "This is a sample string";
String[] words = str.split(" "); // Split by whitespace

for (String word : words) {
System.out.println(word);
}
Use code with caution.

Understanding the split() method
Delimiter: The split() method takes a regular expression as a delimiter.
Returns: It returns a String array containing the split substrings.
Example with a custom delimiter
Java
String str = "apple,banana,orange";
String[] fruits = str.split(","); // Split by comma
for (String fruit : fruits) {
System.out.println(fruit);
}
Use code with caution.

Handling empty strings
If the delimiter appears at the beginning or end of the string, or if there are consecutive delimiters, empty strings might be included in the resulting array. You can use the limit parameter to control this behavior.

Java
String str = ",,apple,banana,,";
String[] fruits = str.split(",", -1); // Keep empty strings

for (String fruit : fruits) {
System.out.println(fruit);
}
Use code with caution.

Key points to remember
The delimiter can be any regular expression.
The limit parameter controls the number of resulting substrings.
Be aware of potential empty strings in the result. visit here

[brainadward012]

Splitting Strings in Java
Using the split() method
Java provides a built-in split() method to divide a string into an array of substrings based on a specified delimiter.

Java
String str = "This is a sample string";
String[] words = str.split(" "); // Split by whitespace

for (String word : words) {
System.out.println(word);
}
Use code with caution.

Understanding the split() method
Delimiter: The split() method takes a regular expression as a delimiter.
Returns: It returns a String array containing the split substrings.
Example with a custom delimiter
Java
String str = "apple,banana,orange";
String[] fruits = str.split(","); // Split by comma
for (String fruit : fruits) {
System.out.println(fruit);
}
Use code with caution.

Handling empty strings
If the delimiter appears at the beginning or end of the string, or if there are consecutive delimiters, empty strings might be included in the resulting array. You can use the limit parameter to control this behavior.

Java
String str = ",,apple,banana,,";
String[] fruits = str.split(",", -1); // Keep empty strings

for (String fruit : fruits) {
System.out.println(fruit);
}
Use code with caution.

Key points to remember
The delimiter can be any regular expression.
The limit parameter controls the number of resulting substrings.
Be aware of potential empty strings in the result. visit here

Thanks you for guide us.