打印Object

package net.heima.interview;import java.lang.reflect.Array;import java.lang.reflect.Field;import java.lang.reflect.Method;import java.util.Arrays;public class Test_1{public static void main(String[] args) throws Exception{int[] arr=new int[]{1,2,3};printObj(arr);}private static void printObj(Object obj) {// TODO Auto-generated method stubClass clazz=obj.getClass();if(clazz.isArray()){int len=Array.getLength(obj);for(int i=0;i<len;i++){System.out.println(Array.get(obj, i));}}else{System.out.println(obj);}}}