JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to get byte array from a string object in java?


Description:

Some times we have to convert string object into byte array. You can use getBytes() methode to convert string object to byte array.


Code:
package com.myjava.string;

public class MyStringBytes {

    public static void main(String a[]){
    
        String str = "core java api";
        byte[] b = str.getBytes();
        System.out.println("String length: "+str.length());
        System.out.println("Byte array length: "+b.length);
    }
}

Example Output

String length: 13
Byte array length: 13

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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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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