import java.util.ArrayList; import java.util.Collections; import java.util.List; public class MainClass { public static void main(String[] args) { List list = new ArrayList(); for (int i = 0; i < 10; i++) list.add(""); Collections.fill(list, "Hello"); System.out.println(list); } } //
[Hello, Hello, Hello, Hello, Hello, Hello, Hello, Hello, Hello, Hello]