自定义bufferReader 自定义bufferReader

【自定义bufferReader】public class MyBufferReader {
private Reader reader;
public MyBufferReader(Reader reader) {
this.reader = reader;
}
public Reader getReader() {
return reader;
}
public void setReader(Reader reader) {
this.reader = reader;
}
// 自定义readLine方法
public String myReadLine() throws IOException {
StringBuffer sb = new StringBuffer();
int len = reader.read();
//System.out.println(len);
while ((len=reader.read())!=-1) {
System.out.println(len);
if (len == 13) {
//13代表’\r表示回车’
continue;
}
if (len ==10) {
//10代表’\n’表示换行
return sb.toString();
} else {
sb.append((char) len);
}
}
if (sb.length() > 0) {
return sb.toString();
}
return null;
}
public void close() throws IOException{
reader.close();
}
public static void main(String[] args) {
MyBufferReader mr = null;
try {
Reader r = new FileReader(“d:\word.txt”);
mr = new MyBufferReader(r);
String str = mr.myReadLine();
while(str!=null){
System.out.println(str);
str = mr.myReadLine();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
mr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
package com.phone.week4.day4;
public class Person {

public void xiangQin(){ System.out.println("相亲"); }public static void main(String[] args) { SuperPerson sp = new SuperPerson(new Person()); sp.superXiangQin(); }

}
class SuperPerson{
private Person person;

public SuperPerson(Person person){ this.person = person; }public void superXiangQin(){ System.out.println("给媒婆说相亲对象的要求，身高180，体重180,五官清秀,有钱，有房，有车"); System.out.println("过了几天，媒婆给你找到了合适的对象"); person.xiangQin(); System.out.println("比较满意"); System.out.println("定婚"); System.out.println("结婚"); }

}
package com.phone.week4.day4;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
public class Test {

public static void main(String[] args) throws IOException { /*InputStream is = System.in; InputStreamReader isr = new InputStreamReader(is,"gb2312"); BufferedReader br = new BufferedReader(isr); System.out.println("请输入字符"); String len =br.readLine(); System.out.println(len); */PrintStream pw = System.out; //new PrintStream("d:\\test.txt"); System.setOut(pw); pw.print(97); pw.write(97); }

}