20161025问题解析请点击今日问题下方的“【Java每日一题】20161026”查看（问题解析在公众号首发，公众号ID：weknow619）
package Oct2016;
import java.util.Date;
public class Ques1026 {
public static void main(String[] args) {
boolean b1 = "String" instanceof Object;//1
boolean b2 = new String() instanceof String;//2
boolean b3 = 'A' instanceof Character;//3
boolean b4 = null instanceof String;//4
boolean b5 = (String)null instanceof String;//5
boolean b6 = new Date() instanceof String;//6
}
}
今日问题：请问主程序哪些语句会有编译错误？（点击以下“【Java每日一题】20161026”查看20161025问题解析）
