1 - 24 of 1,429 ads. Classifieds related to: Early Years Practitioner role in jobs. Nursery Nurse/ Early Years Practitioner Kangacrew-Hounslow An excellent opportunity for a Level 3 Qualified Nursery Nurse, to join this nursery, in Hounslow. The role will be based in Hounslow.This is a prestigious nursery who are committed to providing high...arly Years Practitioner required to teach 2 - 3 year olds would you like to teach in one of London's top pre-prep schools? We are looking for a bright dynamic person to fill the role of Early Years ...
1 A bootstrap loader is a small program which is held in ROM. 2  The processor executes this code when it gets the reset (or powerup) signal.  The bootstrap loader does a few hardware checks and then causes the processor to load and execute the code in the boot sector of the start-up hard disc.
What is ClassLoader in Java. ClassLoader in Java is a class which is used to load class files in Java. Java code is compiled into class file by javac compiler and JVM executes Java program, by executing byte codes written in class file. ClassLoader is responsible for loading class files from file system, network or any other source. There are three default class loader used in Java, Bootstrap, Extension and System or Application class loader. Every class loader has a predefined location, from where they loads class files. Bootstrap ClassLoader is responsible for loading standard JDK class files from rt.jar and it is parent of all class loaders in Java. Bootstrap class loader don't have any parents, if you call String.class.getClassLoader() it will return null and any code based on that may throw NullPointerException in Java.