JavaSE reflection-get parent class and parent interface

Get parent class and parent interface

• Get the parent class

xxx.getSuperclass();

• Get parent interface

xxx.getInterfaces();

public class Test {
    
    
	public static void main(String[] args) throws Exception {
    
    
		
		Class class1 = Class.forName("java.util.ArrayList"); // JDK8测试
		
		// 获取父类
		Class superClass = class1.getSuperclass();
		System.out.println(superClass.getName()); // java.util.AbstractList
		
		// 获取父类所有接口
		Class[] classes = class1.getInterfaces();
		for (Class class2 : classes) {
    
    
			System.out.println(class2.getName());
		}
	}
}

Test result

verification