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java.lang.String.replace(char oldChar, char newChar)

Visual Studio 2005

Replaces all existing occurrences of a character in a String with another character.

public String replace(char oldChar, char newChar)


Parameter Description


The existing character to replace.


The character to replace oldChar with.

A new String object where all existing occurrences of oldChar have been replaced with newChar.

// string_replace.jsl

public class Program
    public static void main(String[] args)
        String str = "The quick brown fox jumps over the lazy dog.";

        // Replace all the 'd' characters with 'l' characters.
        String newStr = str.replace('d', 'l');

        // Display the strings for comparison.
        System.out.println("old = " + str);
        System.out.println("new = " + newStr);

old = The quick brown fox jumps over the lazy dog.
new = The quick brown fox jumps over the lazy log.

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