JDK8新特性☞訪問對象字段和靜態變量測試

/**
 * JDK8新特性☞訪問對象字段與靜態變量:可讀又可寫
 * 
 * @author Administrator
 *
 * @param <F>
 * @param <T>
 */
@FunctionalInterface
public interface Convert<F, T> {


T convert(F from);


class Object {
static int outerStaticNum;
int outerNum;


void test() {
Convert<Integer, String> convert = (from) -> {
outerNum = 23;
return String.valueOf(from + outerNum);
};
String string = convert.convert(20);
System.out.println(string);
Convert<Integer, String> convert2 = (from) -> {


outerStaticNum = 66;
return String.valueOf(from + outerStaticNum);
};
String convert3 = convert2.convert(50);
System.out.println(convert3);
}


}


public static void main(String[] args) {
Object object = new Object();
object.test();
}

}

測試結果：