What is the difference between the compareTo and compareToIgnoreCase methods?
What is the difference between the compareTo and compareToIgnoreCase methods?
The Java String compareToIgnoreCase() method compares two strings lexicographically and returns 0 if they are equal. Unlike compareTo() method, the compareToIgnoreCase() method ignores the case (uppercase or lowercase) while comparing strings.
What is Java Lang string?
lang. The String class represents character strings. All string literals in Java programs, such as “abc” , are implemented as instances of this class.
What is the function of INT compareToIgnoreCase string str give one example?
public int compareToIgnoreCase(String str) The compareToIgnoreCase() method compares two strings lexicographically, ignoring case differences. This method returns an integer whose sign is that of calling compareTo with normalized versions of the strings where case differences have been eliminated by calling Character.
Is compareTo case sensitive Java?
As you can see that the output is not zero, which means that compareTo() method is case sensitive. However we do have a case insensitive compare method in string class, which is compareToIgnoreCase(), this method ignores the case while comparing two strings.
Is String thread safe in Java?
Every immutable object in Java is thread safe ,that implies String is also thread safe . String can not be used by two threads simultaneously. String once assigned can not be changed. StringBuffer is mutable means one can change the value of the object .
What is a String API?
The String API is how you get language text strings to use in the user interface. It handles internationalisation issues, and will use a number of settings and environment variables to present the best text to every user.
What is charAt used for?
The charAt() method returns the character at the specified index in a string. The index of the first character is 0, the second character is 1, and so on.
How do you use indexOf?
The indexOf() method returns the position of the first occurrence of a specified value in a string. The indexOf() method returns -1 if the value is not found. The indexOf() method is case sensitive. See also the lastIndexOf() method.
