@SuppressWarnings("all")
public class GJClass<T> {public String getClassName(T t){return t.getClass().getName();}
}

测试类

public class test76 {public static void main(String[] args){GJClass gjClass=new GJClass();String className=gjClass.getClassName(new Employee());System.out.println(className);GJClass<Integer> gjClass1=new GJClass<Integer>();String className1=gjClass1.getClassName(new Integer(100));System.out.println(className1);}
}

运行结果