JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to encode URL content in Java?


Description:

URLEncoder is a utility class for HTML form encoding. This class contains static methods for converting a String to the application/x-www-form-urlencoded MIME format. Below example shows how to encode URL content in java. This class is very useful to encode query string values.


Code:
package com.myjava.url;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

public class MyUrlEncode {

    public static void main(String a[]){
    
        try {
            System.out.println(URLEncoder.encode("String with spaces", "UTF-8"));
            System.out.println(URLEncoder.encode("special chars: &%*", "UTF-8"));
        } catch (UnsupportedEncodingException ex) {
            ex.printStackTrace();
        }
    }
}

Example Output

String+with+spaces
special+chars%3A+%26%25*

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Java class can be private?
We can not declare top level class as private. Java allows only public and default modifier for top level classes in java. Inner classes can be private.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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