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‎.idea/dataSources.xml

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‎.idea/dataSources/76c07c60-3276-4b8d-986d-35cf8ce88cb8.xml

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‎.idea/dataSources/76c07c60-3276-4b8d-986d-35cf8ce88cb8/storage_v2/_src_/schema/ZJQ.IVsBAA.meta

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‎.idea/misc.xml

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‎.idea/modules.xml

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‎.idea/vcs.xml

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‎JavaStudy.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>

‎keymapstudy/keymapstudy.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>

‎keymapstudy/src/study/DebugTest.java

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package study;
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import java.util.HashMap;
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/**
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* @author shkstart
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* @date 2018/7/13 0013 - 下午 6:28
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*/
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public class DebugTest {
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public static void main(String[] args){
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for (int i = 0; i < 100; i++) {
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System.out.println(i); }
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HashMap<String, String> map = new HashMap<>();
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map.put("name","Tom");
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map.put("age","12");
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map.put("school","Tsinghua");
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map.put("major","computer");
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String age = map.get("age");
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System.out.println("age = " + age);
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map.remove("major");
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System.out.println(map);
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}
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}

‎keymapstudy/src/study/Hello.java

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package study;
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/**
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* @author shkstart
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* @date 2018/7/12 0012 - 下午 3:21
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*/
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public class Hello {
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public static void main(String[] args)
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{
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String age = "10";
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System.out.println(age);
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// System.out.println("age = " + age);
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}
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}

‎keymapstudy/src/study/HelloWorld.java

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package study;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.util.ArrayList;
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import java.util.Date;
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/*
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快捷键的使用：
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1 执行(run) alt+r
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2 提示补全 (Class Name Completion) alt+/
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3 单行注释 ctrl + /
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4 多行注释 ctrl + shift + /
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5 向下复制一行 (Duplicate Lines) ctrl+alt+down
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6 删除一行或选中行 (delete line) ctrl+d
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7 向下移动行(move statement down) alt+down
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8 向上移动行(move statement up) alt+up
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9 向下开始新的一行(start new line) shift+enter
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10 向上开始新的一行 (Start New Line before current) ctrl+shift+enter
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11 如何查看源码 (class) ctrl + 选中指定的结构 或 ctrl + shift + t
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12 万能解错/生成返回值变量 alt + enter
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13 退回到前一个编辑的页面 (back) alt + left
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14 进入到下一个编辑的页面(针对于上条) (forward) alt + right
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15 查看继承关系(type hierarchy) F4
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16 格式化代码(reformat code) ctrl+shift+F
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17 提示方法参数类型(Parameter Info) ctrl+alt+/
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18 复制代码 ctrl + c
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19 撤销 ctrl + z
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20 反撤销 ctrl + y
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21 剪切 ctrl + x
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22 粘贴 ctrl + v
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23 保存 ctrl + s
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24 全选 ctrl + a
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25 选中数行，整体往后移动 tab
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26 选中数行，整体往前移动 shift + tab
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27 查看类的结构：类似于eclipse的outline ctrl+o
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28 重构：修改变量名与方法名(rename) alt+shift+r
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29 大写转小写/小写转大写(toggle case) ctrl+shift+y
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30 生成构造器/get/set/toString alt +shift + s
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31 查看文档说明(quick documentation) F2
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32 收起所有的方法(collapse all) alt + shift + c
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33 打开所有方法(expand all) alt+shift+x
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34 打开代码所在硬盘文件夹(show in explorer) ctrl+shift+x
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35 生成try-catch等(surround with) alt+shift+z
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36 局部变量抽取为成员变量(introduce field) alt+shift+f
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37 查找/替换(当前) ctrl+f
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38 查找(全局) ctrl+h
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39 查找文件 double Shift
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40 查看类的继承结构图(Show UML Diagram) ctrl + shift + u
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41 查看方法的多层重写结构(method hierarchy) ctrl+alt+h
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42 添加到收藏(add to favorites) ctrl+alt+f
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43 抽取方法(Extract Method) alt+shift+m
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44 打开最近修改的文件(Recently Files) ctrl+E
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45 关闭当前打开的代码栏(close) ctrl + w
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46 关闭打开的所有代码栏(close all) ctrl + shift + w
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47 快速搜索类中的错误(next highlighted error) ctrl + shift + q
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48 选择要粘贴的内容(Show in Explorer) ctrl+shprivate static int num;ift+v
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49 查找方法在哪里被调用(Call Hierarchy) ctrl+shift+h
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*/
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public class HelloWorld {
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private static int num;
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public HelloWorld() {
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}
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private static final int INITIAL_SIZE = 10;
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public static void main(String[] args) {
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//region Description
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ArrayList list1 = getList();
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// method1();
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System.out.println(list1);
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}
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public static ArrayList getList() {
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System.out.println("helloworld!!");
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System.out.println("helloworld!!");
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ArrayList list1 = new ArrayList();//ctrl + d
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//endregion
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/*ArrayList list1 = null;
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synchronized ()*/
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Date date = new Date();
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list1.add(0, 123);
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return list1;
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}
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public static void method1() {
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num = 10;
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// System.out.println(list1);
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try {
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FileInputStream fis = new FileInputStream("hello.txt");
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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}
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}

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