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Jul 1, 2010

what is StringIndexOutOfBoundsException in java code example

StringIndexOutOfBoundsException :-

StringIndexOutOfBoundsException is thrown by the String class,
if index in the string is passing greater then the string size
or negative value of index in string.

Example:-
public class Test {
        public static void main(String[] args) {       
           
          
String str = "hello my friends";
           
            String str1 = str.substring(20);
           
        }
}

/*
 * Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: -4
    at java.lang.String.substring(String.java:1938)
    at java.lang.String.substring(String.java:1905)
    at com.Test.main(Test.java:11)
 */

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