JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to extract Char Array From String in java?


Description:

Below example shows how to copy range of characters from the given string to another character array. By suing getChars() method, you can copy range of characters from the given string.


Code:
package com.myjava.string;

public class MyCharArrayCopy {

    public static void main(String a[]){
    
        String str = "Copy chars from this string";
        char[] ch = new char[5];
        /**
         * The getChars() method accepts 4 parameters
         * first one is the start index from string
         * second one is the end index from string
         * third one is the destination char array
         * forth one is the start index to append in the 
         * char array.
         */
        str.getChars(5, 10, ch, 0);
        System.out.println(ch);
    }
}

Example Output

chars

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Knowledge Centre
Stream and types of Streams
A Stream is an abstraction that either produces or consumes information. There are two types of Streams and they are:

Byte Streams: Provide a convenient means for handling input and output of bytes. Byte Streams classes are defined by using two abstract classes, namely InputStream and OutputStream.

Character Streams: Provide a convenient means for handling input & output of characters. Character Streams classes are defined by using two abstract classes, namely Reader and Writer.
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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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