Java快读模板

import java.io.*;

import java.util.StringTokenizer;

public class 快读 {
    static int zu;
    public static void main(String[] args) {
        zu=in.nextInt();
        while(zu-->0) solve();
        out.flush();
    }
    static void solve(){

    }

    static FastReader in = new FastReader();
    static PrintWriter out=new PrintWriter(System.out);
    static class FastReader{
        static BufferedReader br;
        static StringTokenizer st;
        FastReader(){
            br=new BufferedReader(new InputStreamReader(System.in));
        }
        String next(){
            String str="";
            while(st==null||!st.hasMoreElements()){
                try {
                    str=br.readLine();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
                st=new StringTokenizer(str);
            }
            return st.nextToken();
        }
        int nextInt(){
            return Integer.parseInt(next());
        }
        double nextDouble(){
            return Double.parseDouble(next());
        }
        long nextLong(){
            return Long.parseLong(next());
        }
    }
}