fast input output in java\ code example

Example: java fast input

// this program gives you fast input, especially for competitive programming
import java.util.*;
import java.io.*;

public class PutYourClassNameHere {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	static StringTokenizer st;
  
	public static void main(String[] args) throws IOException{
    	// write your code here
	}
  
	static String next() throws IOException {
		while (st == null || !st.hasMoreTokens())
			st = new StringTokenizer(readLine());
		return st.nextToken();
	}
	static long readLong() throws IOException {
		return Long.parseLong(next());
	}
	static int readInt() throws IOException {
		return Integer.parseInt(next());
	}
	static double readDouble() throws IOException {
		return Double.parseDouble(next());
	}
	static char readCharacter() throws IOException {
		return next().charAt(0);
	}
	static String readLine() throws IOException {
		return br.readLine().trim();
	}
}

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Java Example