Program: How to replace a pattern using regular expression in java?

Below example gives sample code for replacing given regular expression pattern with a text.

package com.java2novice.regex;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MyPatternReplace {

	public String replaceWithPattern(String str,String replace){
		
		Pattern ptn = Pattern.compile("\\s+");
		Matcher mtch = ptn.matcher(str);
		return mtch.replaceAll(replace);
	}
	
	public static void main(String a[]){
		String str = "My    name	is  kingkon.  ";
		MyPatternReplace mpr = new MyPatternReplace();
		System.out.println(mpr.replaceWithPattern(str, " "));
	}
}

My name is kingkon.