package RandomTest;/**
*
* @author Z
*/
import java.io.*;
public class RandomAccessFileTest1
{
/** Creates a new instance of RadomAccessFileTest */
File f=new File("D:\\javaprogram\\src\\f1.txt");//注意路径的表示
public int lenn=8;
public int lena=3;
public RandomAccessFileTest1()
{
String strc=new String("");
String strc1=new String("");
Person1 p1=new Person1("王五",25,"男");
Person1 p2=new Person1("李四",24,"男");
Person1 p3=new Person1("张三",23,"女");
try
{
RandomAccessFile raf=new RandomAccessFile(f,"rw");
raf.writeChars(p1.name);
raf.writeChars(new String().valueOf(p1.age));
raf.writeChars(p1.sex);
raf.seek(0);
while(lenn>0)
{
strc1=strc1+raf.readChar();
lenn--;
}
System.out.println(strc);
while(lena>0)
{
strc1=strc1+raf.readChar();
lena--;
}
System.out.println(strc1);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public static void main(String args[])
{
RandomAccessFileTest1 raf=new RandomAccessFileTest1();
}
}package RandomTest;/**
*
* @author Z
*/
public class Person1
{
String name;
int age;
String sex;
public static int lenn=8;
public static int lena=3;
public static String str=new String();
/** Creates a new instance of Person */
public Person1(String name,int age,String sex)
{
str=str.valueOf(age);
while(name.length()<lenn)
this.name=name+"\u0000";
while(str.length()<lena)
str="0"+str;
this.age=Integer.parseInt(str);
this.sex=sex;
}
}
这个程序运行的结果不是我想要的并且可能导致死机,大家要小心!!!及时杀死这个进程,请各位高人帮我找出原因
*
* @author Z
*/
import java.io.*;
public class RandomAccessFileTest1
{
/** Creates a new instance of RadomAccessFileTest */
File f=new File("D:\\javaprogram\\src\\f1.txt");//注意路径的表示
public int lenn=8;
public int lena=3;
public RandomAccessFileTest1()
{
String strc=new String("");
String strc1=new String("");
Person1 p1=new Person1("王五",25,"男");
Person1 p2=new Person1("李四",24,"男");
Person1 p3=new Person1("张三",23,"女");
try
{
RandomAccessFile raf=new RandomAccessFile(f,"rw");
raf.writeChars(p1.name);
raf.writeChars(new String().valueOf(p1.age));
raf.writeChars(p1.sex);
raf.seek(0);
while(lenn>0)
{
strc1=strc1+raf.readChar();
lenn--;
}
System.out.println(strc);
while(lena>0)
{
strc1=strc1+raf.readChar();
lena--;
}
System.out.println(strc1);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public static void main(String args[])
{
RandomAccessFileTest1 raf=new RandomAccessFileTest1();
}
}package RandomTest;/**
*
* @author Z
*/
public class Person1
{
String name;
int age;
String sex;
public static int lenn=8;
public static int lena=3;
public static String str=new String();
/** Creates a new instance of Person */
public Person1(String name,int age,String sex)
{
str=str.valueOf(age);
while(name.length()<lenn)
this.name=name+"\u0000";
while(str.length()<lena)
str="0"+str;
this.age=Integer.parseInt(str);
this.sex=sex;
}
}
这个程序运行的结果不是我想要的并且可能导致死机,大家要小心!!!及时杀死这个进程,请各位高人帮我找出原因
先试试
import java.io.*;public class RandomAccessFileTest1 { /** Creates a new instance of RadomAccessFileTest */
File f = new File("D:\\javaprogram\\src\\f1.txt");// 注意路径的表示 public int lenn = 8; public int lena = 3; public RandomAccessFileTest1() {
String strc = new String("");
String strc1 = new String("");
Person1 p1 = new Person1("王五", 25, "男");
Person1 p2 = new Person1("李四", 24, "男");
Person1 p3 = new Person1("张三", 23, "女");
try {
RandomAccessFile raf = new RandomAccessFile(f, "rw");
raf.writeChars(p1.name);
// raf.writeChars(new String().valueOf(p1.age));
raf.writeChars(String.valueOf(p1.age));
raf.writeChars(p1.sex); raf.seek(0);
while (lenn > 0) {
strc1 = strc1 + raf.readChar();
lenn--;
}
System.out.println(strc); while (lena > 0) {
strc1 = strc1 + raf.readChar();
lena--;
}
System.out.println(strc1); } catch (Exception e) {
e.printStackTrace();
}
} public static void main(String args[]) {
RandomAccessFileTest1 raf = new RandomAccessFileTest1();
}
}class Person1 {
String name; int age; String sex; public static int lenn = 8; public static int lena = 3; public static String str = new String(); /** Creates a new instance of Person */
public Person1(String name, int age, String sex) {
str = str.valueOf(age);
/*while (name.length() < lenn)
this.name = name + "\u0000";*/
this.name = name;
while (this.name.length() < lenn)
this.name += "\u0020";
while (str.length() < lena)
str = "0" + str;
this.age = Integer.parseInt(str);
this.sex = sex;
}}