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

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Can interface be final?
No. We can not instantiate interfaces, so in order to make interfaces useful we must create subclasses. The final keyword makes a class unable to be extended.
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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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