JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to remove non-ascii characters from a string?


Description:

Some times we need to handle text data, wherein we have to handle only ascii characters. Below example shows how to remove non-ascii characters from the given string by using regular expression.


Code:
package com.java2novice.string;

public class MyNonAsciiString {

	public static void main(String a[]){
		String str = "Bjrkoacute";
		System.out.println(str);
		str = str.replaceAll("[^\\p{ASCII}]", "");
		System.out.println("After removing non ASCII chars:");
		System.out.println(str);
	}
}

Example Output

Bjrkoacute
After removing non ASCII chars:
Bjrkoacute

Other String Function Examples

Knowledge Centre
Difference between Enumeration and Iterator
The functionality of Enumeration and the Iterator are same. You can get remove() from Iterator to remove an element, while while Enumeration does not have remove() method. Using Enumeration you can only traverse and fetch the objects, where as using Iterator we can also add and remove the objects. So Iterator can be useful if you want to manipulate the list and Enumeration is for read-only access.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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