kxs109的博客

public class MathTest { public class MathTest { // 除法运算保留精度 private static final int DEF_DIV_SCALE = 10; @Test public void doCal() throws IllegalAccessException { calculate(4

刚才群里有人问这个问题，其实这是一个基础问题。弄清楚内存你就懂了。先看代码：public class TransTest { static class Me { int i; } public static void changeBasicType(int i) { i = 100; } public static void cha