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Java输入输出模板

常规输入输出绝壁有毒~

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) {
		InputReader in = new InputReader();
		PrintWriter out = new PrintWriter(System.out);

		out.close();
	}

}

class InputReader {
	BufferedReader buf;
	StringTokenizer tok;

	InputReader() {
		buf = new BufferedReader(new InputStreamReader(System.in));
	}

	boolean hasNext() {
		while (tok == null || !tok.hasMoreElements()) {
			try {
				tok = new StringTokenizer(buf.readLine());
			} catch (Exception e) {
				return false;
			}
		}
		return true;
	}

	String next() {
		if (hasNext())
			return tok.nextToken();
		return null;
	}

	int nextInt() {
		return Integer.parseInt(next());
	}

	long nextLong() {
		return Long.parseLong(next());
	}

	double nextDouble() {
		return Double.parseDouble(next());
	}

	BigInteger nextBigInteger() {
		return new BigInteger(next());
	}

	BigDecimal nextBigDecimal() {
		return new BigDecimal(next());
	}
}

 

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快来吐槽一下吧!

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