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CodeGym
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Core Java
Core Java
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Pavlo Plynko
Core Java
5 October 2020 11:15
System.exit() in Java
The System class in Java contains fields and methods to handle the SystemOne of them is the System.exit () method used in the Java language when you need to terminate a program or rather JVM instance that is currently running. Any line inserted below the exit method...
Artem Divertitto
Core Java
15 May 2023 10:30
Java LocalDate class
Java LocalDate class is immutable, which means once an instance is created, you cannot modify it. LocalDate provides many useful methods to manipulate and query dates, such as adding or subtracting days, months...
Pavlo Plynko
Core Java
31 January 2022 14:37
Java command line arguments
What are the command line arguments in Java? The command line arguments in java are the arguments passed to the program from the console. The command line argument in java is the information passed to the program at the time of...
Pavlo Plynko
Core Java
3 May 2022 13:47
Java Locale Class
It would be much easier if there were the same electrical outlets all over the world, the principle of writing numbers and dates. However, this is not yet the case, and programmers have to take this into account...
Oleksandr Miadelets
Core Java
3 September 2020 6:19
NaN in Java
In Java, “NaN” stands for “Not a Number”. It is not a type of exception, rather surprisingly, the datatype of NaN is also a number. But often when novice programmers get it unintentionally, they further use it in their calculations. Hence, incompatible data types in Java...
Pavlo Plynko
Core Java
26 May 2021 11:36
Import Java Packages
What is a Package in Java? “A group of related classes, can be put together to form a package in Java.” In simple words, we can understand a package as a group of classes performing functions that are in harmony / related or aligned with each other...
Andrey Gorkovenko
Core Java
9 May 2022 12:48
Java Comments
Comments are the part of a program that’s not executed. The compiler simply ignores comments because they aren’t intended for it. They’re written in “human” language and are intended to explain the program...
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