以下是一个简单的 Java 代码示例,演示如何使用Vector进行元素修改: importjava.util.Vector;publicclassStudentManager{privateVector<String>studentNames;publicStudentManager(){studentNames=newVector<>();initializeStudents();}privatevoidinitializeStudents(){studentNames.add("Alice");studentNames.add("Bob");stude...
import java.util.Vector; public class Main { public static void main(String[] args) { Vector<String> vector = new Vector<>(); vector.add("元素1"); vector.add("元素2"); vector.add("元素3"); System.out.println("修改前的Vector:" + vector); // 修改第二个元素的值 vector.setElement...