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Java IO ²Ù×÷ InputStream

 import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
public class TestIO {
public static void main(String[] args) {
String fileName="E://test.txt";
testInputStream(fileName);
}

public static void testInputStre ......

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public class TestCar1 {
 
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 public static final int Wrong=2;  //Òì³£Çé¿ö
 
 public int run(){
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String srt="abc?abc";
str.replaceAll("?", "#");
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Dangling meta character '?' near index 0
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at java.util.regex.Pattern.expr(Unknown Source)
at java.util.regex.Pattern.compi ......
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