随笔分类 - Java
Java zone
摘要：java遍历文件 package com.vfsd.test; import java.io.File; import java.io.IOException; public class ListFileName { public static void main(String[] args) {
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摘要：java计算日期之间的时间差 年月日时分秒毫秒 package com.vfsd.core; import java.text.DecimalFormat; import java.text.ParseException; import java.text.SimpleDateFormat; imp
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摘要：读取数据表 public static void searchAllTable() { //String sql="SELECT * FROM information_schema.`TABLES`"; String sql="select table_name from information_s
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摘要：java多个文件合并为一个文件 package com.vfsd.core; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; i
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摘要：bat @echo off set CLASSPATH=%CLASSPATH% set PATH=%PATH% set JAVA_HOME=%JAVA_HOME% d: cd F:\VC\teslamanage_server\ start java TServer exit @pause
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摘要：Color3f package com.vfsd.core; import com.vfsd.core.Tuple3d; import com.vfsd.core.Tuple3f; import java.awt.Color; import java.io.Serializable; public
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摘要：package com.vfsd.core; public class Test1 { public static int[] a1= {3,8,2,5,1,9}; public static void main(String[] args) { print1(); for(int k=0;k<a1
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摘要：合并字符串中的多个空格 String strResult= ""; String str="Senators are still in the nation’s Capitol."; Pattern pattern = Pattern.compile("\\s+"); Matcher matcher
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摘要：Exception Dec 10, 2020 6:00:57 PM org.apache.coyote.http11.AbstractHttp11Processor process INFO: Error parsing HTTP request header Note: further occur
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摘要：默认布局 <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/andro
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摘要：获取UUID BluetoothDevice device1 = mBondedDeviceList.get(i); ParcelUuid[] p1s = device1.getUuids(); showToast("即将连接该设备1:"+device1.getName()+" "+p1s[1]);
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摘要：Android 蓝牙打开与关闭 /** * 打开蓝牙 * @param activityObj * @param requestCode */ public void turnOnBlueTooth(Activity activityObj,int requestCode){ Intent inte
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摘要：Android 安装日志 Preparing "Install Intel x86 Emulator Accelerator (HAXM installer) (revision: 7.5.6)". Downloading https://dl.google.com/android/reposito
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摘要：刚查看实验室服务器运行状况，发现了这个报错，先去吃饭了，明天抽空处理一下！ Nov 05, 2020 21:13:13 PM org.apache.coyote.http11.AbstractHttp11Processor process INFO: Error parsing HTTP reque
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摘要：MultipartFile package org.springframework.web.multipart; import java.io.File; import java.io.IOException; import java.io.InputStream; import org.sprin
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摘要：服务器tomcat错误日志 Nov 01, 2020 5:26:57 PM org.apache.coyote.http11.AbstractHttp11Processor process INFO: Error parsing HTTP request header Note: further o
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摘要：错误 十月 30, 2020 3:18:01 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin 警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting
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摘要：错误 Error occurred during initialization of VM Unable to allocate 129920KB bitmaps for parallel garbage collection for the requested 4157440KB heap.
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摘要：java.net.Socket * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved. package java.net; import java.io.InputStream; import ja
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摘要：SimpleDateFormat.java package java.text; import java.io.IOException; import java.io.InvalidObjectException; import java.io.ObjectInputStream; import j
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