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XOR mask in java android

The user enters a codeword and text for encryption, and the program should put the XOR mask-code in the text - and return to the normal state, but it just overlaps the mask and does not return to normal, why?

public void onClick(View arg0) {
        code = etCode.getText().toString();
        text = etText.getText().toString(); 

        while(code.length()<text.length()){
            code+=code;
        }
        char[] Ccode = code.toCharArray();
        char[] Ctext = text.toCharArray();

        for(i=0;i<Ctext.length;i++){
            Ctext[i]^=Ccode[i];
        }

        rezult=Ctext.toString();

        for(i=0;i<Ctext.length;i++){
            Ctext[i]^=Ccode[i];
        }
        rezult+="\n";
        rezult+=Ctext.toString();
        tvMain.setText(rezult);
        }
    });

if i enter code : code , text : text

it shows:

[C@40527808
[C@40527808
+3


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3 answers


You output the address of the array. You want content. Arrays are not useful to toString()

mwthod.

change

rezult=Ctext.toString();

to

rezult=new String(Ctext);


for

rezult+=Ctext.toString();

=> 

rezult+=new String(Ctext);
+2


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In Java toString()

, the default operation on arrays is the conversion to the internal identifier you see. Try using:

rezult = new String(Ctext);
...
rezult += new String(Ctext);

or, depending on what you want to display (since it's not clear to me what the Ctext

displayed characters always contain):



rezult = Arrays.toString(Ctext);
...
rezult += Arrays.toString(Ctext);

This will give you a comma-separated array of character values ​​surrounded by square brackets.

0


source


You cannot use toString () to convert char array to String.

Use tvMain.setText(new String(Ctext));

0


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