0_0_23883909_25664\Main.java:16: 错误: 不兼容的类型: String无法转换为char sequence[posInStart + posInEnd] = "i"; ^ 0_0_23883909_25664\Main.java:22: 错误: 不兼容的类型: String无法转换为char sequence[posInStart + posInEnd] = "o"; ^ 2 个错误