Package org.apache.commons.lang3

Enum JavaVersion

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<JavaVersion>
    public enum JavaVersion
extends java.lang.Enum<JavaVersion>

    An enum representing all the versions of the Java specification. This is intended to mirror available values from the java.specification.version System property.

    Since:
    3.0

    • Enum Constant Detail

      • JAVA_0_9

        public static final JavaVersion JAVA_0_9
        The Java version reported by Android. This is not an official Java version number.

      • JAVA_1_1

        public static final JavaVersion JAVA_1_1
        Java 1.1.

      • JAVA_1_2

        public static final JavaVersion JAVA_1_2
        Java 1.2.

      • JAVA_1_3

        public static final JavaVersion JAVA_1_3
        Java 1.3.

      • JAVA_1_4

        public static final JavaVersion JAVA_1_4
        Java 1.4.

      • JAVA_1_5

        public static final JavaVersion JAVA_1_5
        Java 1.5.

      • JAVA_1_6

        public static final JavaVersion JAVA_1_6
        Java 1.6.

      • JAVA_1_7

        public static final JavaVersion JAVA_1_7
        Java 1.7.

      • JAVA_1_8

        public static final JavaVersion JAVA_1_8
        Java 1.8.

      • JAVA_1_9

        @Deprecated
public static final JavaVersion JAVA_1_9
        Deprecated.
        As of release 3.5, replaced by JAVA_9
        Java 1.9.

      • JAVA_9

        public static final JavaVersion JAVA_9
        Java 9.
        Since:
        3.5

      • JAVA_10

        public static final JavaVersion JAVA_10
        Java 10.
        Since:
        3.7

      • JAVA_11

        public static final JavaVersion JAVA_11
        Java 11.
        Since:
        3.8

      • JAVA_12

        public static final JavaVersion JAVA_12
        Java 12.
        Since:
        3.9

      • JAVA_13

        public static final JavaVersion JAVA_13
        Java 13.
        Since:
        3.9

      • JAVA_14

        public static final JavaVersion JAVA_14
        Java 14.
        Since:
        3.11

      • JAVA_15

        public static final JavaVersion JAVA_15
        Java 15.
        Since:
        3.11

      • JAVA_16

        public static final JavaVersion JAVA_16
        Java 16.
        Since:
        3.11

      • JAVA_17

        public static final JavaVersion JAVA_17
        Java 17.
        Since:
        3.12.0

      • JAVA_RECENT

        public static final JavaVersion JAVA_RECENT
        The most recent java version. Mainly introduced to avoid to break when a new version of Java is used.

    • Method Detail

      • values

        public static JavaVersion[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (JavaVersion c : JavaVersion.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared

      • valueOf

        public static JavaVersion valueOf​(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null

      • atLeast

        public boolean atLeast​(JavaVersion requiredVersion)

        Whether this version of Java is at least the version of Java passed in.

        For example:
        myVersion.atLeast(JavaVersion.JAVA_1_4)

        Parameters:
        requiredVersion - the version to check against, not null
        Returns:
        true if this version is equal to or greater than the specified version

      • atMost

        public boolean atMost​(JavaVersion requiredVersion)

        Whether this version of Java is at most the version of Java passed in.

        For example:
        myVersion.atMost(JavaVersion.JAVA_1_4)

        Parameters:
        requiredVersion - the version to check against, not null
        Returns:
        true if this version is equal to or greater than the specified version
        Since:
        3.9

      • toString

        public java.lang.String toString()

        The string value is overridden to return the standard name.

        For example, "1.5".

        Overrides:
        toString in class java.lang.Enum<JavaVersion>
        Returns:
        the name, not null