本文將介紹Java在ICPC快速IO實現方法，下面看看具體代碼。

不處理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());

}

}

}

處理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,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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