W3School TIY Editor

public class Main { public static void main(String[] args) { // 学生数据 String studentName = "Bill Gates"; int studentID = 15; int studentAge = 23; float studentFee = 75.25f; char studentGrade = 'B'; // 打印变量 System.out.println("学生姓名: " + studentName); System.out.println("学号: " + studentID); System.out.println("年龄: " + studentAge); System.out.println("学费: " + studentFee); System.out.println("成绩等级: " + studentGrade); } }