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xiachaochao
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1 parent 6e5c523 commit 7ea319e

28 files changed

Lines changed: 158 additions & 215 deletions

‎JavaBase/out.txt‎

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1*1=1
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2*1=2 2*2=4
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3*1=3 3*2=6 3*3=9
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4*1=4 4*2=8 4*3=12 4*4=16
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5*1=5 5*2=10 5*3=15 5*4=20 5*5=25
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6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36
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7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49
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8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64
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9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81

‎JavaBase/src/com/xinan/enum1/Enum1.java‎

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@@ -31,9 +31,9 @@ public int getAge() {
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return age;
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}
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public String setAge(int age) {
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public void setAge(int age) {
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this.age = age;
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return "修改年龄";
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/*return "修改年龄";*/
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}
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public boolean isRest() {

‎JavaBase/src/com/xinan/enum1/Enum1Test.java‎

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@@ -9,7 +9,7 @@ public static void main(String[] args) {
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Enum1.TUE.isRest();
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//System.out.println(Enum1.MON.valueOf("3"));
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System.out.println(Enum1.TUE.getAge());
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System.out.println(Enum1.TUE.setAge(20));
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Enum1.TUE.setAge(20);
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System.out.println(Enum1.TUE.getAge());//???????????????
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}
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}

‎JavaBase/src/com/xinan/generics/Person.java‎

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package com.xinan.generics;
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public class Person<T> {
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private String name;
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private T pass;
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public Person() {
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super();
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}
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public Person(String name, T pass) {
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super();
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this.name = name;
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this.pass = pass;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public T getPass() {
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return pass;
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}
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public void setPass(T pass) {
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this.pass = pass;
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}
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}

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

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package com.xinan.generics;
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public class TestPerson {
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public static void main(String[] args) {
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Person<String> person1=new Person<String>();
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person1.setPass("hellomoto");
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System.out.println(person1.getPass());
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Person<Integer> person2=new Person<Integer>();
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person2.setPass(2222);
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System.out.println(person2.getPass());
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}
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}

‎JavaBase/src/com/xinan/test02/Multiplication.java‎

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package com.xinan.test02;
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/*四、上机试题：
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打印乘法口诀表到文件中。
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要求：
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A.创建一个普通类，类里有一个普通的方法，打印乘法口诀表的方法；
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B.在另一个测试类中，创建一个实现Runnable接口的线程；
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C.在run()方法中，使用反射唤醒打印乘法口诀表的方法；
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D.启动线程，打印乘法口诀表到文件中！*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintStream;
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public class Multiplication {
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public static void multiplict() throws IOException {// 乘法口诀表的打印
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PrintStream printStream = new PrintStream("D:\\乘法口诀表.txt");
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for (int i = 1; i < 10; i++) {
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for (int j = 1; j <= i; j++) {
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printStream.print(j + "*" + i + "=" + i * j + " ");
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}
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printStream.println(" ");
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}
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}
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}

‎JavaBase/src/com/xinan/test02/TestDemo.java‎

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package com.xinan.test02;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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//创建线程的实现类
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public class TestDemo implements Runnable {
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public static void main(String[] args) throws Exception {
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/*
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* FileReader fReader = new FileReader(System.in); FileWriter fWriter =
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* new FileWriter("乘法口诀表.txt");
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*
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* BufferedReader bReader = new BufferedReader(fReader); BufferedWriter
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* bWriter = new BufferedWriter(fWriter);
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*
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* String s = bReader.readLine(); while (s != null) { bWriter.write(s);
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* bWriter.newLine(); s = bReader.readLine(); }
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*
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* bReader.close(); bWriter.close();
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*/
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Thread thread = new Thread(new TestDemo());// 通过实现runnanble接口创建线程
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thread.start();
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}
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@Override
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public void run() {
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try {
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reflect01();
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} catch (IllegalArgumentException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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} catch (InvocationTargetException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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public static void reflect01() throws Exception {
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Class<?> clazz = Multiplication.class;// 通过反射获取类
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Method method = clazz.getMethod("multiplict");
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Object obj = clazz.newInstance();
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method.invoke(obj);
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}
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}

‎JavaBase/src/com/xinan/test02/TestDemo01.java‎

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package com.xinan.test02;
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public class TestDemo01 {
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public static void main(String[] args) {
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Thread thread = new Thread(new TestDemo());// 通过实现runnanble接口创建线程
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thread.start();
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}
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}

‎JavaBase/三角形.txt‎

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打印结束
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1*1=1
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2*1=2 2*2=4
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3*1=3 3*2=6 3*3=9
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4*1=4 4*2=8 4*3=12 4*4=16
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5*1=5 5*2=10 5*3=15 5*4=20 5*5=25
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6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36
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7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49
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8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64
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9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81

‎JavaBase/乘法口诀表.txt‎

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