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JavaInfo 新增：getVersionIntSimple 获取简化版版本（1.8 =>8, 1.7-->7, 17->17）

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duandazhi 2022-06-08 15:46:17 +08:00
parent 6a02b90844
commit 26206c058e
1 changed files with 24 additions and 0 deletions
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24
hutool-extra/src/main/java/cn/hutool/extra/management/JavaInfo.java
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@ -88,6 +88,30 @@ public class JavaInfo implements Serializable {
return JAVA_VERSION_INT;
}
/**
* 返回1位整型的java版本，（取自系统属性：{@code java.version}）如：7、8、11、15、17、18，返回1位，java10及其之后的版本返回值为2位
* <ul>
* <li>JDK 1.7.0_80：{@code 7}</li>
* <li>JDK 1.8.0_211：{@code 8}</li>
* <li>JDK 11.0.2：{@code 11}</li>
* <li>JDK 13.0.11：{@code 13}</li>
* <li>JDK 15.0.7：{@code 15}</li>
* <li>JDK 17.0.3：{@code 17}</li>
* <li>JDK 18.0.1.1：{@code 18}</li>
* </ul>
* @since 6.0.1
* @author dazer
*/
public final int getVersionIntSimple() {
if (JAVA_VERSION == null) {
return 0;
}
if (JAVA_VERSION.startsWith("1.")) {
return Integer.parseInt(JAVA_VERSION.split("\\.")[1]);
}
return Integer.parseInt(JAVA_VERSION.split("\\.")[0]);
}
/**
* 取得当前Java impl.的版本的{@code float}值。
*