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What does intern() method in java?
The intern() method of the String method returns a canonical representation for the string object. A pool of strings, initially empty, is maintained privately by the class String.
For any two strings s and t, s.intern() == t.intern() is true if and only if s.equals(t) is true.
All literal strings and string-valued constant expressions are interned.
Example
import java.lang.*; public class StringDemo { public static void main(String[] args) { String str1 = "This is TutorialsPoint"; // returns canonical representation for the string object String str2 = str1.intern(); // prints the string str2 System.out.println(str2); // check if str1 and str2 are equal or not System.out.println("Is str1 equal to str2 ? = " + (str1 == str2)); } }
Output
This is TutorialsPoint Is str1 equal to str2 ? = true
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