0_0_36431850_30336\Main.java:27: 错误: 不兼容的类型: String无法转换为char if(m.charAt(0)==(char)"0"){m=x.substring(11,12);} ^ 0_0_36431850_30336\Main.java:28: 错误: 不兼容的类型: String无法转换为char if(d.charAt(0)==(char)"0"){d=x.substring(13,14);} ^ 2 个错误