[1.Java简介](1.Java%E7%AE%80%E4%BB%8B.md) [2.Java常量与变量](2.Java%E5%B8%B8%E9%87%8F%E4%B8%8E%E5%8F%98%E9%87%8F.md) [3. 表达式与运算符](3.%E8%BF%90%E7%AE%97%E7%AC%A6%E4%B8%8E%E8%A1%A8%E8%BE%BE%E5%BC%8F.md) [4.Java流程控制](Java%E6%B5%81%E7%A8%8B%E6%8E%A7%E5%88%B6.md) [5. Java数组](5.Java%E6%95%B0%E7%BB%84.md) [6. Java方法](6.Java%E6%96%B9%E6%B3%95.md) [7. 数组移位与统计](7.%E6%95%B0%E7%BB%84%E7%A7%BB%E4%BD%8D%E4%B8%8E%E7%BB%9F%E8%AE%A1.md)