CODEWITHSUNDEEP
javastring
live-love
live-love

Reputation: 52386

Replace String with character code in Java

Can't figure out how to replace a string with a character in Java. I wanted a function like this:

replace(string, char)

but there's not a function like this in Java.

String    str = str.replace("word",  '\u0082');
String    str = str.replace("word",  (char)130);

How do I go about this?

Upvotes: 1

Views: 4048

Answers (5)

Lucke
Lucke

Reputation: 316

the simplest way:

"value_".replace("_",String.valueOf((char)58 )); //return "value:"

EDIT:

(char)58 //return: ':'
(int)':' //return: 58

Since we want to work with codes and no character we have to pass code to character

another problem to solve is that method "replace" does not take "(String x,char y)"

So we pass our character to String this way:

String.valueOf((char)58) //this is a String like this ":"

Finally we have String from int code, to be replaced.

Upvotes: 0

kingAm
kingAm

Reputation: 1753

"String is a sequence of characters"

    String s="hello";
    char c='Y';
    System.out.println(s.replace(s, Character.toString(c)));

    Output:
    Y

Upvotes: 0

Osuka
Osuka

Reputation: 106

You asked for a "function" in Java, you can allways create a method like this

public static String replace (String text, char old, char n){
    return text.replace(old, n);
}

Then you can call this method as you want

String a = replace("ae", 'e', '3');

In this case the method will return a String with a3 as value, but you can replace not only a char by another, you can replace a String with multiple characters in the same way

public static String replace (String text, String old, String n){
    return text.replace(old, n);
}

Then you call this method like this

String a = replace("aes", "es", "rmy");

The result will be a String with army as value

Upvotes: 1

Matt C
Matt C

Reputation: 4555

Very simply:

String orginal = "asdf";
char replacement = 'z';
orginal = original.replace(original, replacement+"");

Upvotes: 1

William Price
William Price

Reputation: 4102

Use a string as the replacement that happens to be only a single character in length:

String original = "words";
String replaced = original.replace("word", "\u0130");

The replaced instance will be equivalent to "İs".

Note also that, from your question, '\u0130' and (char)130 are not the same characters. The \u syntax uses hexadecimal and your cast is using decimal notation.

Upvotes: 1

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