https://blog.youkuaiyun.com/EstelleZhaozh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/EstelleZhao/article/details/78702941https://blog.youkuaiyun.com/EstelleZhao/article/details/78702941EstelleZhaoSun, 03 Dec 2017 18:20:32 +0800.数组的声明 声明一维数组：数组元素类型[ ] ; 声明二维数组：数组元素类型[ ][ ] ; 2>.数组的实例化 = new 数组元素类型[数组元素个数]; 穷举法实例化数组：int[] a = new int[]{1,2,3,4}; 3>.数组的遍历 a.采用循环的方式遍历数组 b.加强for循环： for ( : ) {} 23、字符]]>https://blog.youkuaiyun.com/EstelleZhao/article/details/78648490https://blog.youkuaiyun.com/EstelleZhao/article/details/78648490EstelleZhaoMon, 27 Nov 2017 20:06:56 +0800https://blog.youkuaiyun.com/EstelleZhao/article/details/78586665https://blog.youkuaiyun.com/EstelleZhao/article/details/78586665EstelleZhaoMon, 20 Nov 2017 21:15:57 +0800https://blog.youkuaiyun.com/EstelleZhao/article/details/78513032https://blog.youkuaiyun.com/EstelleZhao/article/details/78513032EstelleZhaoSun, 12 Nov 2017 17:15:05 +0800添加Jar 包：log4j-1.2.17.jar。                   log4j                   log4j                   1.2.17   2>配置文件，通]]>https://blog.youkuaiyun.com/EstelleZhao/article/details/78451671https://blog.youkuaiyun.com/EstelleZhao/article/details/78451671EstelleZhaoSun, 05 Nov 2017 19:54:00 +0800