for-each loops are not supported at this language level

Question

idea中hibernate main方法中 for-each loops are not supported at this language level

(Object o : query.list()) {
    System..println(+ o);
}
错误

Answer 1

jdk版本低了一点，可以升级下

Answer 2

你的jdk版本太低了吧？ 不支持for-each语句？

Answer 3

for each循环不支持这个语言等级！~