JDK 版本对照 versions
JDK version和class file version(Class编译版本号)对应关系
JDK 17 = 61,
JDK 16 = 60,
JDK 15 = 59,
JDK 14 = 58,
JDK 13 = 57,
JDK 12 = 56,
JDK 11 = 55,
JDK 10 = 54,
JDK 9 = 53,
JDK 8 = 52,
JDK 7 = 51,
JDK 6.0 = 50,
JDK 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45.0-45.6
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原文链接:https://blog.csdn.net/h4241778/article/details/128532381