Java 类 Worker 代码示例：显示工人信息

public class Test { public static void main(String[] args) { Worker w = new Worker(); w.display(); } }

class Worker { String name = 'wang'; int age = 40; double salary = 3800; int level = 1;

void display() {
    System.out.println('name=' + name);
    System.out.println('age=' + age);
    System.out.println('salary=' + salary);
    System.out.println('level=' + level);
}

}