錯誤如下
檢查下面幾個地方設置是否一致...
1.Project Structure下(File->Project Structure...)
Sources選項卡->Languate level
Dependencies選項卡->Module SDK
2.Settings下找到Java Compiler
里邊有兩個設置Project bytecode version,Target bytecode version
3.Settings下找到Maven Runner 里邊有JRE