ParsePosition getErrorIndex() method in Java with Example

The getErrorIndex() method of java.text.ParsePosition class is used to retrieve the index at which parse error may occur.

Syntax:

public int getErrorIndex()

Parameter: This method does not accepts any argument as a parameter.



Return Value: This method returns the index at which parse error may occur.

Below are the examples to illustrate the getErrorIndex() method:

Example 1:

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// Java program to demonstrate
// getErrorIndex() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
  
            // Creating and initializing
            // new ParsePosition Object
            ParsePosition pos
                = new ParsePosition(0);
  
            // set index for the parsing error
            pos.setErrorIndex(3);
  
            // getting index at which
            // parsing error may come
            // using getErrorIndex() method
            int i = pos.getErrorIndex();
  
            // display result
            System.out.println(
                "index at which parse error may occur: "
                + Integer.toString(i));
        }
  
        catch (ClassCastException e) {
  
            System.out.println(e);
        }
    }
}

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Output:

index at which parse error may occur: 3

Example 2:

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// Java program to demonstrate
// getErrorIndex() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
  
            // Creating and initializing
            // new ParsePosition Object
            ParsePosition pos
                = new ParsePosition(0);
  
            // getting index at which
            // parsing error may come
            // using getErrorIndex() method
            int i = pos.getErrorIndex();
  
            // display result
            if (i != -1)
                System.out.println(
                    "index at which parse error may occur: "
                    + Integer.toString(i));
            else
                System.out.println("error index is not set");
        }
  
        catch (ClassCastException e) {
  
            System.out.println(e);
        }
    }
}

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Output:

error index is not set

Reference: https://docs.oracle.com/javase/9/docs/api/java/text/ParsePosition.html#getErrorIndex–

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