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43 lines (32 loc) · 1.2 KB
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package reflect;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/**
* Created by helmeter on 4/20/16.
*/
public class ReflectTest {
public static void main(String[] args) {
Class c = null;
try {
c = Class.forName("java.lang.Integer");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
//获取所有的属性?
Field[] fs = c.getDeclaredFields();
//定义可变长的字符串，用来存储属性
StringBuffer sb = new StringBuffer();
//通过追加的方法，将每个属性拼接到此字符串中
//最外边的public定义
sb.append(Modifier.toString(c.getModifiers()) + " class " + c.getSimpleName() +"{\n");
//里边的每一个属性
for(Field field:fs){
sb.append("\t");//空格
sb.append(Modifier.toString(field.getModifiers())+" ");//获得属性的修饰符，例如public，static等等
sb.append(field.getType().getSimpleName() + " ");//属性的类型的名字
sb.append(field.getName()+";\n");//属性的名字+回车
}
sb.append("}");
System.out.println(sb);
}
}