(29)数字与对象的互相转换

package com.xuan.number;/*数字与对象的互相转换*/public class IntegerToInt {public static void main(String[] args) {//int 转换成IntegerInteger i1=new Integer(42);System.out.println(i1.toString());//Integer转换成intint i2=i1.intValue();System.out.println(i2);    }}