java se jdk 8
on channel: CodeSync
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sure! here’s a comprehensive tutorial on java se jdk 8, which includes an overview of its features, installation instructions, and some code examples to get you started.
*overview of java se jdk 8*
java se (standard edition) jdk (java development kit) 8 introduced several significant features that made java programming easier and more efficient. some of the key features include:
1. **lambda expressions**: this feature allows you to express instances of single-method interfaces (functional interfaces) in a more concise way.
2. **streams api**: the streams api allows you to process sequences of elements (like collections) in a functional style. it supports operations like filter, map, and reduce.
3. **optional class**: this class is a container that may or may not contain a non-null value. it helps to avoid `nullpointerexceptions`.
4. **date and time api**: a new date and time api that is more comprehensive and user-friendly than the old `java.util.date`.
5. **default methods**: interfaces can have default methods which allow you to add new methods to interfaces without breaking the existing implementations.
*installation of java se jdk 8*
1. **download**: go to the [oracle jdk 8 download page](https://www.oracle.com/java/technolog...) or use an open-source alternative like openjdk.
2. **install**: follow the installation instructions for your operating system. this typically involves running an installer on windows or extracting the tar.gz file on linux/macos.
3. **set environment variables**:
**windows**:
right-click on ‘this pc’ properties advanced system settings environment variables.
in the system variables section, click new and add `java_home` with the path to your jdk installation.
add `%java_home%\bin` to the `path` variable.
**macos/linux**:
open a terminal and add the following lines to your `.bashrc` or `.bash_profile`:
save the file and ...
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#python javascript library
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