随笔分类 - Java
Java zone
摘要:String Literals package testPackage; class Test { public static void main(String[] args) { String hello = "Hello", lo = "lo"; System.out.println(hello
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摘要:java中,归一化list里面的数据 /** * 归一化 * @param listInt * @return */ public static List<Double> normalListInteger(List<Integer> listInt){ List<Double> list_d =
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摘要:java Earcut Maven dependency: <dependency> <groupId>io.github.earcut4j</groupId> <artifactId>earcut4j</artifactId> <version>2.2.2</version> </dependen
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摘要:java拷贝文件 FileInputStream FileOutputStream package com.vfsd.core; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream;
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摘要:FileWriter /* * Copyright (c) 1996, 2001, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to lice
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摘要:输出Map数据 public static void printMapDType0(Map<String,Integer> D_type) { System.out.print("["); for(int m=1;m<totalDay;m++) { String indexKey = ""+(m);
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摘要:java判断linux还是windows System.getProperty("os.name").toLowerCase().contains("linux"); System.getProperty("os.name").toLowerCase().contains("windows"); #
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摘要:spring jdbc test <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency>
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摘要:eclipse创建springboot项目 pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocat
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摘要:java random public static double random() { return RandomNumberGeneratorHolder.randomNumberGenerator.nextDouble(); } ##########################
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摘要:Math.pow /** * Returns the value of the first argument raised to the power of the * second argument. Special cases: * * <ul><li>If the second argument
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摘要:java Arrays * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. package java.util; import java.lang.reflect.Array; import j
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摘要:java String * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved. package java.lang; import java.io.ObjectStreamField; import
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摘要:java Method /* * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to lic
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摘要:jsoup connect /** * Creates a new {@link Connection} to a URL. Use to fetch and parse a HTML page. * <p> * Use examples: * <ul> * <li><code>Document d
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摘要:Elements package org.jsoup.select; import org.jsoup.helper.Validate; import org.jsoup.nodes.Element; import org.jsoup.nodes.FormElement; import org.js
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摘要:Document package org.jsoup.nodes; import org.jsoup.helper.StringUtil; import org.jsoup.helper.Validate; import org.jsoup.parser.ParseSettings; import
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摘要:java Map Map<String, Integer> map2=sortMapByValue(map1);for(Entry<String, Integer> indexEntry:map2.entrySet()) { System.out.println(" "+indexEntry.get
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摘要:提取ifc对象数据 if(elementType==1) { BuildingStorey buildingStoreyObj = new BuildingStorey(); buildingStoreyObj.setName(ifcObjName); buildingStoreyObj.setGl
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摘要:处理json文件中的文件名 package com.vfsd.core; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream
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