java read file bufferedreader
try {
File file = new File("data.txt");
BufferedReader reader = new BufferedReader(new FileReader(file));
String line;
while((line = reader.readLine()) != null) {
System.out.println(line);
}
} catch(IOException e) {
e.printStackTrace();
}bufferedreader in java
class Main {
public static void main (String[] args) throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String[] str = br.readLine().split(" "); // 6 2
String[] input = br.readLine().split(" "); // 1 2 3 4 5 6
int n = Integer.parseInt(str[0]); // 6
int k = Integer.parseInt(str[1]); // 2
int [] arr = new int [n];
for(int i=0; i<n; i++)
{
arr[i] = Integer.parseInt(input[i]); // 1 2 3 4 5 6
}
}
}BufferredReader Class
package com.javatpoint;
import java.io.*;
public class BufferedReaderExample {
public static void main(String args[])throws Exception{
FileReader fr=new FileReader("D:\\testout.txt");
BufferedReader br=new BufferedReader(fr);
int i;
while((i=br.read())!=-1){
System.out.print((char)i);
}
br.close();
fr.close();
}
}BufferredReader Class
package com.javatpoint;
import java.io.*;
public class BufferedReaderExample{
public static void main(String args[])throws Exception{
InputStreamReader r=new InputStreamReader(System.in);
BufferedReader br=new BufferedReader(r);
System.out.println("Enter your name");
String name=br.readLine();
System.out.println("Welcome "+name);
}
}Copyright © 2021 Codeinu
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