Java Utililty Methods JDK Home Get

List of utility methods to do JDK Home Get

  1. HOME
  2. Java
  3. J
  4. JDK Home Get

Description

The list of methods to do JDK Home Get are organized into topic(s).

Method

StringgetJdkBin()
get Jdk Bin 
File bin = new File(getJdkHome() + File.separator + "bin");
if (!bin.exists()) {
    throw new IOException("Unable to locate JDK bin: '" + bin + "'");
return bin.getAbsolutePath();
StringgetJdkHome()
get Jdk Home 
String javaHome = System.getProperty("java.home");
if (!javaHome.endsWith(File.separator + "jre")) {
    throw new IOException("Unable to locate executable JDK Home.");
return javaHome.substring(0, javaHome.length() - 4);
FilegetJdkHome()
Return a lazy guess at the JDK home based on the JAVA_HOME. 
List<String> candidates = new ArrayList<String>();
candidates.add(System.getProperty(GRADLE_VIEW_JAVA_HOME_KEY));
candidates.add(System.getenv("JAVA_HOME"));
for (String candidate : candidates) {
    if (candidate != null) {
        File jdkHome = new File(candidate);
        if (jdkHome.exists()) {
            return jdkHome;
...
StringgetJDKHomeVariable()
get JDK Home Variable 
String jdkHome = System.getProperty("jdk.home"); 
if (jdkHome == null || "".equals(jdkHome)) { 
    jdkHome = getJDKHomeFromEclipseVm();
if (jdkHome == null || "".equals(jdkHome)) { 
    jdkHome = System.getenv("JDK_HOME"); 
return jdkHome;
...
StringgetJDKPath(File file)
get JDK Path 
if (file == null) {
    return null;
if ("bin".equals(file.getName())) {
    return file.getParent();
} else {
    return getJDKPath(file.getParentFile());