@@ -0,0 +1,222 @@
+package org.psjava.javautil;%0D%0A%0D%0Apublic class IntBitUtil %7B%0D%0A%0D%0A%09public static int set(int v, int pos) %7B%0D%0A%09%09return v %7C (1 %3C%3C pos);%0D%0A%09%7D%0D%0A%0D%0A%09public static boolean get(int v, int pos) %7B%0D%0A%09%09return (v & (1 %3C%3C pos)) %3E 0;%0D%0A%09%7D%0D%0A%0D%0A%7D%0D%0A

add bit util