Question

How to declare, initialize and print an array of chars in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {
    
    public static void main(String[] args) {
        char[] arr = { 'a', 'b', 'x', 'a', 'a', 'b', 'z', 'z', 'y' };

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


/*
run:
 
abxaabzzy

*/

 

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Answer 2

package javaapplication1;

import java.util.Arrays;

public class JavaApplication1 {
    
    public static void main(String[] args) {
        char[] arr = new char[4];

        arr[0] = 97;
        arr[1] = 98;
        arr[2] = 99;
        arr[3] = 100;
        
        System.out.println(Arrays.toString(arr));
    }
}


/*
run:
 
[a, b, c, d]

*/

 

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Answer 3

package javaapplication1;

public class JavaApplication1 {
    
    public static void main(String[] args) {
        
        String s = "abcd";

        char[] arr = s.toCharArray();

        for (char ch : arr) 
            System.out.println(ch);
    }
}


/*
run:
 
a
b
c
d

*/

 

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Answer 4

package javaapplication1;

public class JavaApplication1 {
    
    public static void main(String[] args) {

        char[] arr = new char[26];

        int i = 0;
        for (char ch = 'a'; ch <= 'z'; ch++) 
            arr[i++] = ch;
        
        for (char ch : arr) 
            System.out.print(ch);
    }
}


/*
run:
 
abcdefghijklmnopqrstuvwxyz

*/

 

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