jj.java.txt

软通公司培训的课件和习题里面有答案。。。

public static void change(int i){
        i  = 10 ;
         System.out.println(" chang 方法中 i = " + i);
}

public static void main(String[] args) {

        int i = 1 ;
        System.out.println(" change 以前 i = " + i );
        change(i);
       System.out.println(" change 以后 i = " + i );

}