Compare in Scala

In Scala, there are several ways to compare strings. Here are some of the common ways to compare strings in Scala:

1. Using the "==” operator: This operator is used to compare values for equality. Example:

val str1 = "hello"
val str2 = "world"
if (str1 == str2) {
  println("Strings are equal")
} else {
  println("Strings are not equal")
}

Output: Strings are not equal

2. Using the "equals" method: This method compares two strings for their contents. Example:

val str1 = "hello"
val str2 = "world"
if (str1.equals(str2)) {
  println("Strings are equal")
} else {
  println("Strings are not equal")
}

Output: Strings are not equal

3. Using the "compareTo" method: This method compares two strings lexicographically. Example:

val str1 = "hello"
val str2 = "world"
val result = str1.compareTo(str2)
if (result == 0) {
  println("Strings are equal")
} else if (result < 0) {
  println("str1 is less than str2")
} else {
  println("str1 is greater than str2")
}

Output: str1 is less than str2

4. Using the "equalsIgnoreCase" method: This method compares two strings ignoring the case of the characters. Example:

val str1 = "Hello"
val str2 = "hello"
if (str1.equalsIgnoreCase(str2)) {
  println("Strings are equal")
} else {
  println("Strings are not equal")
}

Output: Strings are equal

These are some of the common ways to compare strings in Scala.