Java Example – Comparing two strings

In this Java example we will see how Java String is compared with another Java String object or Java Object in Java.

String class in Java have following methods to compare Java Strings.

  1. int compareTo( String anotherString ) – compare two string based upon the unicode value of each character in the String.
    Returns negative int if first string is less than another
    Returns positive int if first string is grater than another
    Returns 0 if both strings are same.
  2. int compareTo( Object obj ) – Behaves exactly like compareTo ( String anotherString) if the argument object is of type String, otherwise throws ClassCastException.
  3. int compareToIgnoreCase( String anotherString ) – Compares two strings ignoring the character case of the given String.


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