JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to convert Character array to String object?


Description:

Below example shows how to convert character array to a string object. By using String.copyValueOf() method you can convert char array to string object. Also you can copy range of character array to string.


Code:
package com.myjava.string;

public class MyArrayCopy {
    public static void main(String a[]){
        char ch[] = {'M','y',' ','J','a','v','a',' ','e','x','a','m','p','l','e'};
        /**
         * We can copy a char array to a string by using 
         * copyValueOf() method.
         */
        String chStr = String.copyValueOf(ch);
        System.out.println(chStr);
        /**
         * We can also copy only range of charactors in a 
         * char array by copyValueOf() method.
         */
        String subStr = String.copyValueOf(ch,3,4);
        System.out.println(subStr);
    }
}

Example Output

My Java example
Java

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