It contains all the posts and videos regarding Java.
On 26th Aug 2020, Oracle had decided to retire 1Z0-815 and 1Z0-816 exams and come up with one single exam for Java certification (1Z0-819). Till SCJP 6, there was just one exam and after Oracle took over Sun Microsystems, they dividedthe certification in 2 exams (OCA + OCP) and it was valid for Java 7 […]
Oracle announced new Java 11 certification exam (1Z0-819) Read More »
Instance overloaded split(…) methods have below declarations: 1. public String[] split(String regex, int limit) {…}: It returns the String[] after splitting this string around matches of the given regex. The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array. A. If the limit is
split(…) method of String class Read More »
Examples of String.join(…) method in Java.
join(…) method of String class Read More »
Oracle has recently launched certification exams for Java 11 and they named the certificate as Oracle Certified Professional: Java SE 11 DeveloperThis time Oracle didn’t release the BETA version of the exam, rather they decided to go with the FINAL version. You can check the certification details here. To get this certificate, candidate needs to
Java 11 Certification Exam Read More »
This lecture is a part of my video course Core Java Development Course For Beginners. In this lecture you will learn: Why it is needed to override Enum methods? Syntax to override Enum methods. Constant specific class body and its use. Watch this video in HD for better experience.https://youtu.be/qWEAVmdaEqc
Override Enum methods Read More »
This lecture is a part of my video course Core Java Development Course For Beginners. In this lecture you will learn: Working of static valueOf(String) method. How to check the details of values() and valueOf(String) methods using Javadoc? How Enum constants are declared internally? What is ordinal value? Three ways to check for the equality of
Enum: valueOf, ordinal and compareTo methods Read More »
This lecture is a part of my video course Core Java Development Course For Beginners. In this lecture you will learn: How to associate multiple values with Enum constants? switch-case syntax for Enums. Two ways to declare Enums. When to use full name and when to use shorthand notation to access Enum constants? Benefits of enums
Enum and switch-case block Read More »
This lecture is a part of my video course Core Java Development Course For Beginners. In this lecture you will learn: Why variables, constructors and methods are needed in the Enum code? How to define variables, constructors and methods in the Enum code? Code to invoke the parameterized constructor of an Enum. When does java runtime
Enums: Constructors, instance variables and methods Read More »
This lecture is a part of my video course Core Java Development Course For Beginners. In this lecture you will learn:What are enums and why enums were added in Java?Limitations of using String constant variables for fixed set of values.The syntax of Java enum.Similarities and differences between enums and java classes.What is java.lang.Enum class? Watch this
Introduction to Enums Read More »