Jan 18, 2014 · You can use Guava's Strings.repeat() method: String str = Strings.repeat("8", count);

Jun 11, 2018 · My current solution is to read the whole file into memory as one String, do the String replacement, and then create a StringReader for this String and pass it back into the library as the Reader. This works, however with large files (especially running in multiple threads), performance is an issue.

Dec 15, 2021 · I want to read value of a string array constant dynamically. Constant class has string array of car. NeedValueOf will dynamically append with constant name i.e Constants.needValueOf. Tell me the way to get value dynamic and after getting object i want value from that object.

Jan 8, 2024 · As of Java 9 and as part of JEP 280, the string concatenation is now using invokedynamic. The primary motivation behind the change is to have a more dynamic implementation. That is, it’s possible to change the concatenation strategy without changing the …

Apr 24, 2025 · How to Read or Input a String in Java. In Java, we can use Scanner Class or InputStream to Read the string. In below code, we will try to use the Scanner class instance to read the string.

Mar 28, 2021 · There are two ways to provide dynamic data access in Java: Represent data with classes (or records in Java 14) and use reflection; Represent data with string maps; The purpose of this article is to illustrate various ways to access …

Java 21 String Templates provide a new way to build dynamic strings that are cleaner and more maintainable. With their ability to embed expressions, format values, and include various data types, they are a powerful tool for any Java developer.

To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation. In our example, we will use the nextLine() method, which is used to read Strings: If you don't know what a …

Apr 8, 2025 · In Java, a String is the type of object that can store a sequence of characters enclosed by double quotes, and every character is stored in 16 bits, i.e., using UTF 16-bit encoding. A string acts the same as an array of characters.

Aug 14, 2019 · verifyFilesInFolder(String folder, String ...strings) { List<String> list = Arrays.asList(strings); for (String s : list) System.out.println(s); } Some inputs/outputs: verifyFilesInFolder("folder", "item1"); -> prints "item1"