Java编程在ICPC快速IO实现源码

本文将介绍Java在ICPC快速IO实现方法，下面看看具体代码。

不处理EOF：

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Random;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.util.Comparator;
import java.io.InputStream;
/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
 public static void main(String[] args) {
 InputStream inputStream = System.in;
 OutputStream outputStream = System.out;
 InputReader in = new InputReader(inputStream);
 PrintWriter out = new PrintWriter(outputStream);
 TaskD solver = new TaskD();
 solver.solve(1, in, out);
 out.close();
 }
 static class TaskD {
 public void solve(int testNumber, InputReader in, PrintWriter out) {
 }
 }
 static class InputReader {
 public BufferedReader reader;
 public StringTokenizer tokenizer;
 public InputReader(InputStream stream) {
 reader = new BufferedReader(new InputStreamReader(stream), 32768);
 tokenizer = null;
 }
 public String next() {
 while (tokenizer == null || !tokenizer.hasMoreTokens()) {
 try {
  tokenizer = new StringTokenizer(reader.readLine());
 } catch (IOException e) {
  throw new RuntimeException(e);
 }
 }
 return tokenizer.nextToken();
 }
 public int nextInt() {
 return Integer.parseInt(next());
 }
 }
}

处理EOF：

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Random;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.util.Comparator;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
 public static void main(String[] args) {
 InputStream inputStream = System.in;
 OutputStream outputStream = System.out;
 InputReader in = new InputReader(inputStream);
 PrintWriter out = new PrintWriter(outputStream);
 TaskD solver = new TaskD();
 solver.solve(1, in, out);
 out.close();
 }
 static class TaskD {
 public void solve(int testNumber, InputReader in, PrintWriter out) {
 while(in.hasNext())
 {
 int a=in.nextInt();
 int b=in.nextInt();
 System.out.println(a+b);
 }
 }
 }
 static class InputReader {
 public BufferedReader reader;
 public StringTokenizer tokenizer;
 public InputReader(InputStream stream) {
 reader = new BufferedReader(new InputStreamReader(stream), 32768);
 tokenizer = null;
 }
 public boolean hasNext() {
 while (tokenizer == null || !tokenizer.hasMoreTokens()) {
 try {
  String line = reader.readLine();
  if(line == null) return false;
  tokenizer = new StringTokenizer(line);
 } catch (IOException e) {
  throw new RuntimeException(e);
 }
 }
 return true;
 }
 public String next()
 {
 return tokenizer.nextToken();
 }
 public int nextInt() {
 return Integer.parseInt(next());
 }
 }
}

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