JNI------C语言调用Java

package jni.test; public class Demo { public static int COUNT = 8; public String msg; private int[] counts; public Demo() { this("缺省构造函数"); } public Demo(String msg) { System.out.println("<init>:" + msg); this.msg = msg; this.counts = null; } public String getMessage() { return msg; } public int[] getCounts() { return counts; } public void setCounts(int[] counts) { this.counts = counts; } public void throwExcp() throws IllegalAccessException { throw new IllegalAccessException("exception occur."); } }