1/4/2024 0 Comments Substring java replace![]() Since String implements the CharSequence interface, you can pass a string to this method. You need to use the replace(CharSequence target, CharSequenece replacement) method to replace the substring in Java. For example replace(char oldChar, char newChar) is used to replace characters on String. ![]() Since replace() is overloaded in class, you need to choose the right one for the job. This is one of the best and up-to-date courses to learn Java online. Let's see some code examples and important points about replacing a substring in Java.Īnd, If you are new to the Java world then I also recommend you go through The Complete Java MasterClasson Udemy to learn Java in a better and more structured way. Since String is Immutable in Java, this call will produce a new String "Head First Java".Īnother important point to note is that the replacement starts from the beginning of the string and continue to the end, for example, replacing "aa" with "b" in the string "aaa" will result in "ba" rather than "ab" i.e. For example, if you call "Effective Java".replace("Effective", "Head First") then it will replace "Effective" with "Head First" in the String "Effective Java". ![]() ![]() This version of the replace() method replaces each substring of this string (on which you call the replace() method) that matches the literal target sequence with the specified literal replacement sequence. The String class provides the overloaded version of the replace() method, but you need to use the replace(CharSequence target, CharSequence replacement). You can replace a substring using replace() method in Java. ![]()
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