using charAt() function assigning to the char array is throwing error

Question

I'm trying to save string in to a character array using the below code & im getting this error: Type mismatch: cannot convert from char to char[]

Below is the code

public class ExCaluculator{
char[] swi=new char[10];
String San="hello world" ;
int samsu ;
public void excal(){

for(samsu=0;samsu>San.length();samsu++)
{
    swi=San.charAt(samsu);
}   
}
}

Also please suggest me any other methods to do the same

What is unclear? You can not assign a charto and char[]! — Jens
– Jens, Commented Feb 25, 2015 at 7:28
You need to access the array with an index, like swi[samsu] or just use String.toCharArray(). — Kayaman
– Kayaman, Commented Feb 25, 2015 at 7:30

Jens · Accepted Answer · 2015-02-25 07:29:50Z

1

ou have to assign the value to an element of the array:

public class ExCaluculator{
char[] swi=new char[10];
String San="hello world" ;
int samsu ;
public void excal(){

for(samsu=0;samsu>2;samsu++)
{
    swi[samsu]=San.charAt(samsu);
}   
}
}

answered Feb 25, 2015 at 7:29

Jens

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2 Comments

SubOptimal Over a year ago

There is not reason to do this by hand. As @Kayaman said String.toCharArray() should be the prefered way.

The111 Over a year ago

@SubOptimal there's a very good reason to do it by hand if you don't yet understand arrays and indexing and are trying to figure it out, as OP clearly is.

TSKSwamy · Accepted Answer · 2015-02-25 08:31:54Z

0

Array must be accessed with an index and you need a change in condition of for statement.

for(samsu=0;samsu<San.length();samsu++)
{
    swi[samsu]=San.charAt(samsu);
}

Also you have to increase the array size to 11 (char[] swi = new char[11];) in order to avoid ArrayIndexOutOfBoundsException.

Or Simply you can use

char[] xyz = san.toCharArray();

Refer: Arrays

edited Feb 25, 2015 at 8:31

answered Feb 25, 2015 at 8:13

TSKSwamy

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Comments

Jayaram · Accepted Answer · 2015-02-25 07:30:54Z

0

You can't assign a char to char[], array is subscript based. use something like

swi[0] = San.charAt(samsu);

answered Feb 25, 2015 at 7:30

Jayaram

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