Question

How to add a part of char array to string in Java

Answer 1

package javaapplication1;

import java.io.IOException;

public class JavaApplication1 {

    public static void main(String[] args) throws IOException {

        char[] arr = {'a', 'b', 'c', 'd', 'e', 'f', 'g'};

        String s = new String(arr, 0, 3);
        System.out.println(s);
    }
}


/*

run:
                   
abc
          
 */

 

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Answer 2

package javaapplication1;

import java.io.IOException;

public class JavaApplication1 {

    public static void main(String[] args) throws IOException {

        char[] arr = {'a', 'b', 'c', 'd', 'e', 'f', 'g'};

        String s = new String(arr, 3, 2);
        System.out.println(s);
    }
}


/*

run:
                   
de
          
 */

 

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