JAVA文件

package com.hui;

import com.hui.*;
public class MainWindow {
	
	public static void main(String[] args) {
		TestJNI t = new TestJNI();
		t.isInLibrary();
		t.addData("01958", 100);
		System.out.println("存儲的條形碼爲："+t.getDataBar());
		System.out.println("存儲的數據爲："+t.getNum());
	}
}

MainWindow.java

package com.hui;

public class TestJNI {
	public native void isInLibrary();
	public native boolean addData(String strDataBar,int nNum);
	public native int getNum();
	public native String getDataBar();

	static {
		System.loadLibrary("CallMyLibrary");
	}
}

TestJNI.java