java: diamond operator is not supported in -source 1.5

时间 2021-01-04

标签 Intellij 栏目 Java 繁體版

原文原文链接

Error:(43, 20) java: diamond operator is not supported in -source 1.5 (use -source 7 or higher to enable diamond operator) 总共要检查4个地方, Project Structure->Project(设置图中两处Project SDK与Project language le

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1. diamond operator is not supported in -source 1.5
2. Maven错误 diamond operator is not supported in -source 1.5 (use -source 7 or higher to enable diamond
3. '' operator is not allowed for source level below 1.7
4. diamond types are not supported -sourceX.X
5. Eclipse '《》'operator is not allowed for source level below 1.7
6. -source 1.5 中不支持 diamond 运算符
7. python：Redirection is not supported.
8. TypeError: The numpy boolean negative, the `-` operator, is not supported, use the `~`
9. hadoop: Operation category READ is not supported in state standby
10. Operation category READ is not supported in state standby
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1. diamond operator is not supported in -source 1.5
2. Maven错误 diamond operator is not supported in -source 1.5 (use -source 7 or higher to enable diamond
3. '' operator is not allowed for source level below 1.7
4. diamond types are not supported -sourceX.X
5. Eclipse '《》'operator is not allowed for source level below 1.7
6. -source 1.5 中不支持 diamond 运算符
7. python：Redirection is not supported.
8. TypeError: The numpy boolean negative, the `-` operator, is not supported, use the `~`
9. hadoop: Operation category READ is not supported in state standby
10. Operation category READ is not supported in state standby

>>更多相关文章<<