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Enumerate the concept of write once run anywhere - JAVA
Java has introduced concept of WORA (write once run anywhere). When you write a java program it is called source code of java. Java compiler doesn't compile this source code for any underlying hardware system; rather it compiles it for a software system called JVM (This compiled code is called byte code). We have different JVMs for different systems (for example JVM for Windows, JVM for Linux etc.). When we run our program the JVM interprets (translates) compiled program into the language understood by underlying system. So we write our code once and JVM runs it everywhere according to the underlying system.
What is the purpose of garbage collection in Java, and when is it used? The purpose of garbage collection is to identify and discard objects that are no longer required by a pr
What do you mean through FTP or File Transfer Protocol? FTP: File transfer protocol was first introduced in the year of 1973; it standardized the transfer of files among comp
public class ConcatDemo { public static void main(String[] args) { String animal1 = "quick brown fox"; String animal2 = "lazy dog"; String article = "the";
Give the example of mixing data type in java? Mixing Data Types Order can form a difference while data types are mixed. For example, 1 / 2 * 3.5 = 0.0 3.5 * 1 / 2 = 1.75 3.5 /
What is the difference between instance and object of a class? Few says both are same, then why java kept both the words for same thing?
What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to an object. A thread only implements a synchronize
A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
Explain the Execute phase of Java Program Development Finally in phase computer, under the control of its CPU, interprets program one bytecode at a time. Hence performing
Writing a report
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
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