Java开发问题

Converting a string to an integer on Android(在Android上将字符串转换为整数)
In java, is it more efficient to use byte or short instead of int and float instead of double?(在java中,使用byte或short而不是int和float而不是double更有效吗?)
Why equal operator works for Integer value until 128 number?(为什么相等运算符适用于整数值直到 128 数字?)
Using == operator in Java to compare wrapper objects(在 Java 中使用 == 运算符比较包装器对象)
Converting Integer to String with comma for thousands(用逗号将整数转换为字符串数千)
Declaring an unsigned int in Java(在 Java 中声明一个 unsigned int)
Why can not I add two bytes and get an int and I can add two final bytes get a byte?(为什么我不能添加两个字节并获得一个 int,而我可以添加两个最终字节获得一个字节?)
Convert boolean to int in Java(在Java中将布尔值转换为int)
Why doesn#39;t Java throw an Exception when dividing by 0.0?(为什么Java除以0.0时不抛出异常?)
The literal xyz of type int is out of range(int 类型的字面量 xyz 超出范围)
What does value amp; 0xff do in Java?(value amp; 是什么意思?0xff 在 Java 中做什么?)
What is the difference between Integer and int in Java?(Java中的整数和int有什么区别?)