u010125432的博客

import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; public class MedianSortedArrays { public static double findMedianSortedArrays(int[] ...

/** * 大数相加 * @author Administrator * */ public class BigNumAdd { public static String bigNumMultipy(String num1,String num2){ StringBuffer result = new StringBuffer(); ...

执行main方法解决方法：方法1.有可能当前java类放的不是地方，放错包了    把当前main方法的类移动到正确的包下，下面main包下错误方法2.在左侧的package explorer中右击这个class所在包的上一级目录--build path--use as source folder。这样就解决问题了。重新打开class，再run一下，ok了。...

1.对象转Map  public static Map java2Map(Object javaBean) {        Map map = new HashMap();        try {            // 获取javaBean属性            BeanInfo beanInfo = Introspector.getBeanInfo(javaBean.getClas...

创建enum类：package com.server.edu.studentservice.util;public enum StudentTables{    Basic("student_basic_information_t"), Status("student_status_information_t"), Accident(        "accident_t"), EduBackgr...

        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:50) 2019-01-30 14:25:04.635 [pool-2-thread-2] ERROR o.a.s.s.i.e.DefaultExceptionToResponseConverter - invoke failed, invocati...

import java.io.BufferedReader; import java.io.File; import java.io.FileReader; public class CalculateRows { static long classcount = 0; // Java类的数量 static long normalLines = 0; // 空行 sta...