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The only flaw is that we can have a fixed-size element in an array. The String class, which implements the CharSequence interface, defines several methods for string manipulation tasks.
The list of most commonly used string methods are mentioned below:. Multitasking: Process of executing multiple tasks simultaneously to utilize the CPU. A thread is always in one of the following five states; it can move from one state to another in a variety of ways, as shown. The run method is declared in the Runnable interface is required for implementing threads in our programs. The exception is an abnormality or error condition caused by a run-time error in the program; if this exception object thrown by the error condition is not caught and handled properly, the interpreter will display an error message.
If we want to avoid this and want the program to continue, we should try to catch the exceptions. This task is known as exception handling. A code can have more than one catch statement in the catch block; when an exception in the try block is generated, multiple catch statements are treated like cases in a switch statement.
Finally, statement: used to handle exceptions that are not caught by any previous catch statements. A final block is guaranteed to execute, regardless of whether or not an exception is thrown. Collection of related records stored in a particular area on the disk termed as the file. The files store and manage data by the concept of file handling.
Java uses the concept of streams to represent an ordered sequence of data, a path along which data flows. Thus, it has a source and a destination. They are used to read 8-bit bytes include a superclass known as InputStream.
InputStream is an abstract class and defines the methods for input functions such as :. These classes are derived from the base class OutputStream. OutputStream is an abstract class and defines the methods for output functions such as :. The collections framework is contained in java. The classes available in the collection framework implement the collection interface and sub-interfaces. They also implement Map and Iterator interfaces.
Created in , object-oriented programming, Java, was developed to overcome the flaws of modular programming. Java introduced concepts like Abstraction, Encapsulation for robust and secure code. Java Programming Masterclass updated to Java Similarly, the concept of Polymorphism, Inheritance, and Classes removed redundancy in the code.
Java is used in various sectors like internet security, Android Development, Web Development, and more. Did you find this article helpful? Do you know other applications of Java? Great Article. But would you mind fixing the formatting in those code blocks?
Furthermore I do not see any download link for the PDF file, even though the headline suggests that there should be one. I shall resolve formatting issue soon, thanks for letting me know. Also, for the downloadable pdf link I have provided it with the post update. This is a great collection of information for those that wish to have nearby notes, as well as those who are about to be thrown in the deep end of a programming job.
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Submit a tutorial Jobs Sign In. Java and Cheat Sheet. Java Tutorials. Related Tutorials Java. Java Programming Masterclass for Software Developers udemy. View More. Simran Kaur Arora. Last Updated 13 Dec, Table of Contents. Switch 3. Object and Class 2. Data Abstraction and Encapsulation 3. Inheritance Types of Inheritance in Java 4. To check if the given number is prime To check if the entered number is Palindrome Pattern printing Summary. Leave a comment. Submit Cancel. Prajesh kunimal.
Simran Kaur. Vijay Singh Khatri Points. Java Programming Masterclass for Software Developers www. Math library. The full java. Math API.
Java library calls. Type conversion. Anatomy of an if statement. If and if-else statements. Nested if-else statement. Anatomy of a while loop. Anatomy of a for loop. Break statement. Do-while loop. Switch statement. Inline array initialization. Typical array-processing code. Two-dimensional arrays. Inline initialization. Our standard output library. Formatted printing. Our standard input library. Our standard drawing library. Our standard audio library.
Command line. Redirection and piping. Libraries of functions. Our standard random library. Our standard statistics library. Using an object. Instance variables. Instance methods.
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