Which method is useful for string comparison?

1) By Using equals() Method The String class equals() method compares the original content of the string. It compares values of string for equality.

Can I use == to compare strings in JavaScript?

Firstly, you are safe to compare strings that contain characters from Basic Multilangual Plane (including the ASCII characters) using regular comparison operators === , == or utility function Object.is() . Both str1 and str2 contain ASCII characters, so you can safely compare them using comparison operators.

What is be the best way to compare if two strings are the same?

You can use the equalsIgnoreCase() method in the same way as equals() to compare strings. The only difference between equals() and equalsIgnoreCase() is that the latter compares two strings irrespective of their case, whereas the former is case sensitive.

Should you ever use == in JavaScript?

Short answer: never. This post looks at five possible exemptions from the rule to always use === and explains why they aren’t. JavaScript has two operators for determining whether two values are equal [1]: The strict equality operator === only considers values equal that have the same type.

What does .compare do in Java?

The compare() method in Java compares two class specific objects (x, y) given as parameters. It returns the value: 0: if (x==y) -1: if (x < y)

Is JavaScript case sensitive?

JavaScript is Case Sensitive All JavaScript identifiers are case sensitive.

Which method is used to compare two strings ignoring the case?

The equalsIgnoreCase() method compares two strings, ignoring lower case and upper case differences. This method returns true if the strings are equal, and false if not. Tip: Use the compareToIgnoreCase() method to compare two strings lexicographically, ignoring case differences.

What is the difference between compareTo and equals in Java?

compareTo: Compares two strings lexicographically. equals: Compares this string to the specified object. compareTo compares two strings by their characters (at same index) and returns an integer (positive or negative) accordingly. equals() can be more efficient then compareTo().