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crazy
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1 parent f3d9c2e commit c67a684

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Lines changed: 71 additions & 5 deletions

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‎JavaBase/.classpath‎

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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/log4j-1.2.17.jar"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/lombok.jar"/>
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<classpathentry kind="lib" path="D:/eclipse/log4j-1.2.17.jar"/>
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<classpathentry kind="lib" path="D:/eclipse/lombok.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎JavaBase/src/com/_520it/reflect/GetConstructorDemo.java‎

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package com._520it.reflect;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Method;
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class User {
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public User()
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{
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System.out.println("无参构造器");
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}
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public User(String name) {
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System.out.println("含有name的构造器");
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}
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private User(String name, int age) {
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System.out.println("有参构造器"+name+age);
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}
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public void doWork(){
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System.out.println("doWork方法");
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}
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}
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public class GetConstructorDemo {
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public static void main(String[] args) throws Exception {
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getOne();
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}
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public static void getOne() throws Exception {
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Class<?> clazz=User.class;//第一种方式
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//Class<?> clazz1=Class.forName("com._520it.reflect.User");//第二种方式
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//Class<?> clazz2=(new User().getClass());//第三种方式
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System.out.println(clazz);
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System.out.println("获取多个构造器");
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System.out.println("---------------------------------------------");
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Constructor[] con=clazz.getDeclaredConstructors();//getDeclaredConstructors表示的类声明的所有构造方法。
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for(Constructor c1:con){
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System.out.println(c1);
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}
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System.out.println("---------------------------------------------");
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con=clazz.getConstructors();//表示的类或接口声明的所有方法
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for(Constructor c2:con){
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System.out.println(c2);
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}
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System.out.println("---------------------------------------------");
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System.out.println("获取单个构造器");
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Constructor c3=clazz.getConstructor();
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Method method=clazz.getMethod("doWork");
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System.out.println(c3.newInstance());
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System.out.println(c3);
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System.out.println("---------------------------------------------");
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c3=clazz.getConstructor(String.class);
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System.out.println(c3.newInstance("李华"));
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System.out.println(c3);
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System.out.println("---------------------------------------------");
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c3=clazz.getDeclaredConstructor(String.class,int.class);
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c3.setAccessible(true);//使用私有化修饰，通过反射必须先设定可见
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System.out.println(c3.newInstance("lihua",36));
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System.out.println(c3);
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System.out.println("---------------------------------------------");
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}
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}

‎JavaBase/src/com/xinan/reflect/TestDogReflect.java‎

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@@ -9,7 +9,7 @@ public class TestDogReflect {
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public static void main(String[] args) throws Exception {
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// Class clazz=Class.forName("com.xinan.reflect.Dog");//第一种获取类的方式
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// Class clazz1=Person.class;//第二种获取类的方式
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Class clazz2 = (new Person().getClass());
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Class clazz2 = (new Person().getClass());//第三种获取类的方式
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// Field fs = clazz2.getDeclaredField("name");
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Field[] fs = clazz2.getDeclaredFields();
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StringBuffer sb = new StringBuffer();

‎JavaBase/src/com/xinan/reflect/TestPerson.java‎

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@@ -16,7 +16,7 @@ public static void main(String[] args) throws Exception {
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for (Field field : fs) {
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sb.append("\t");// 空格
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sb.append(Modifier.toString(field.getModifiers()) + " ");// 获得属性的修饰符，例如public，static等等
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sb.append(field.getType().getSimpleName() + " ");// 属性的类型的名字
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sb.append(field.getType().getSimpleName() + " ");// 属性的类型的名字
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sb.append(field.getName() + ";\n");// 属性的名字+回车
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}
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sb.append("}");

‎JavaBase/src/com/xinan/testoop02/UDisk.java‎

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package com.xinan.testoop02;
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package com.xinan.testoop02;
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public class UDisk implements UsbInterface{
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public void service(){

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