java 讀文件寫文件
package mianshiti;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class files{
public static void main(String[] args) throws IOException{
File path = new File("D://111.txt");
File outFile = new File("D://1231.txt");
int b;
FileReader fr= new FileReader(path);
FileWriter fw = new FileWriter(outFile);
while((b=fr.read())!=-1){
fw.write(b);
}
fw.flush();
fw.close();
fr.close();
}
}
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class files{
public static void main(String[] args) throws IOException{
File path = new File("D://111.txt");
File outFile = new File("D://1231.txt");
int b;
FileReader fr= new FileReader(path);
FileWriter fw = new FileWriter(outFile);
while((b=fr.read())!=-1){
fw.write(b);
}
fw.flush();
fw.close();
fr.close();
}
}
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