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class Prompt {
  private native String getLine(String prompt);
  public static void main(String args[]) {
    Prompt p = new Prompt();
    String input = p.getLine("Type a line: ");
    System.out.println("User typed: " + input);
  }
  static {
    System.loadLibrary("MyImpOfPrompt");
  }
}
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javac Prompt.java
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javah -jni Prompt
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JNIEXPORT jstring JNICALL
Java_Prompt_getLine(JNIEnv *, jobject, jstring);
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×îºó£¬¼ÇµÃ½«ÄãµÄc++´úÂë±àÒëΪlibMyImpOfPrompt.so
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http://journals.ecs.soton.ac.uk/java/tutorial/native1.1/implementing/index.html


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import java.io.*;
public class FileReaderSample {
  public static void main(String args[]) throws IOException
  {
    // ½¨Á¢¿ÉÈÝÄÉ1024¸ö×Ö·ûµÄÊý×é
    char data[]=new char[1024];
    // ½¨Á¢¶ÔÏófr
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import java.io.*;
import java.lang.String;
public class Switchover {
public static String[] strChi = {"Áã","Ò¼","·¡","Èþ","ËÁ","Îé","½","Æâ","°Æ","¾Á"};
public static String[] strUnits = {"","","ʰ","°Û","Ǫ","Íò","ʰ","°Û","Ǫ","ÒÚ","ʰ","°Û","Ǫ","Õ×","ʰ","°Û","Ǫ","½Ç","·Ö"};
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