SystemUtils.JAVA_HOME
/* 1) FILE_SEPARATOR =\ 2) JAVA_EXT_DIRS =C:\Java_Dev\sdk\jdk\jre\lib\ext 3) JAVA_HOME =C:\Java_Dev\sdk\jdk\jre 4) Is 1.3 + =true 5) JAVA_EXT_DIRS =C:\Java_Dev\sdk\jdk\jre\lib\ext 6) JAVA_VENDOR =Sun Microsystems Inc. 7) OS_NAME =Windows XP */ import org.apache.commons.lang.SystemUtils; public class SystemUtilsTrial { public static void main(String[] args) { System.out.println("1) FILE_SEPARATOR =" + SystemUtils.FILE_SEPARATOR); System.out.println("2) JAVA_EXT_DIRS =" + SystemUtils.JAVA_EXT_DIRS); System.out.println("3) JAVA_HOME =" + SystemUtils.JAVA_HOME); System.out.println("4) Is 1.3 + =" + SystemUtils.isJavaVersionAtLeast(1.3f)); System.out.println("5) JAVA_EXT_DIRS =" + SystemUtils.JAVA_EXT_DIRS); System.out.println("6) JAVA_VENDOR =" + SystemUtils.JAVA_VENDOR); System.out.println("7) OS_NAME =" + SystemUtils.OS_NAME); } }