JavaVersion

java.lang.Object

com.google.gson.internal.JavaVersion

public final class JavaVersion extends Object

Utility to check the major Java version of the current JVM.

Field Summary

Fields

Modifier and Type

Field

Description

private static final int

majorJavaVersion
Constructor Summary

Constructors

Modifier

Constructor

Description

private

JavaVersion()
Method Summary

Modifier and Type

Method

Description

private static int

determineMajorJavaVersion()

private static int

extractBeginningInt(String javaVersion)

static int

getMajorJavaVersion()

(package private) static int

getMajorJavaVersion(String javaVersion)

static boolean

isJava9OrLater()

private static int

parseDotted(String javaVersion)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- majorJavaVersion
  
  private static final int majorJavaVersion
Constructor Details
- JavaVersion
  
  private JavaVersion()
Method Details
- determineMajorJavaVersion
  
  private static int determineMajorJavaVersion()
- getMajorJavaVersion
  
  static int getMajorJavaVersion(String javaVersion)
- parseDotted
  
  private static int parseDotted(String javaVersion)
- extractBeginningInt
  
  private static int extractBeginningInt(String javaVersion)
- getMajorJavaVersion
  
  public static int getMajorJavaVersion()
  
  Returns:
  
  the major Java version, i.e. '8' for Java 1.8, '9' for Java 9 etc.
- isJava9OrLater
  
  public static boolean isJava9OrLater()
  
  Returns:
  
  true if the application is running on Java 9 or later; and false otherwise.