Can you provide some examples of string manipulation in Java?

Can you provide some examples of string manipulation in Java?

Sure! Here are a few common string manipulation examples in Java:

1. Concatenation: You can concatenate strings using the '+' operator.
2. Substring: Use the substring() method to extract a part of a string.
3. String Length: The length() method returns the number of characters in a string.
4. String Comparison: Use equals() to compare two strings for equality.

How do I convert a string to uppercase?

You can convert a string to uppercase in Java using the toUpperCase() method. For example:

String str = "hello";
String upperStr = str.toUpperCase();
System.out.println(upperStr); // Outputs: HELLO

What about splitting a string?

To split a string in Java, you can use the split() method. For example:

String str = "apple,banana,cherry";
String[] fruits = str.split(",");
// fruits now contains ["apple", "banana", "cherry"]