ParsePosition setErrorIndex() method in Java with Example

The setErrorIndex() method of java.text.ParsePosition class is used to set the index at which parse error may occurr.

Syntax:

public void setErrorIndex(int ei)

Parameter: This method takes integer ei as a parameter at which parse error may occur.



Return Value: This method has nothing to return.

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

Example 1:

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// Java program to demonstrate
// setErrorIndex() 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(1);
  
            // set index for the parsing error
            // using setErrorIndex() method
            pos.setErrorIndex(3);
  
            // getting the current
            // ParsePosition of
            int i = pos.getErrorIndex();
  
            // display result
            System.out.println(
                "index at which error occurred: "
                + Integer.toString(i));
        }
  
        catch (ClassCastException e) {
  
            System.out.println(e);
        }
    }
}

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Output:

index at which error occurred: 3

Example 2:

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// Java program to demonstrate
// setErrorIndex() 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(500);
  
            // set index for the parsing error
            // using setErrorIndex() method
            pos.setErrorIndex(3000);
  
            // getting the current
            // ParsePosition of
            int i = pos.getErrorIndex();
  
            // display result
            System.out.println(
                "index at which error occurred: "
                + Integer.toString(i));
        }
  
        catch (ClassCastException e) {
  
            System.out.println(e);
        }
    }
}

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Output:

index at which error occurred: 3000

Reference: https://docs.oracle.com/javase/9/docs/api/java/text/ParsePosition.html#setErrorIndex-int-

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