Java is also aPlatform. As as soon as you run a java program or application, java creates a runtime environment where your java programs or application runs. Generally operating systems like Microsoft Windows, Linux, Solaris, Mac OS etc. are known as platforms. These platforms provide you an...
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This document summarizes features and enhancements in Java SE 8 and in JDK 8, Oracle's implementation of Java SE 8
Now let’s see what the heap looks like when we add humongous objects. Here, 50% of the heap is live and objects range from 128 bytes – 20 MB: In this case, the GC is a bit more stressed – the heap occupancy sometimes gets up to 78 GB before young GC! Another notable differenc...
Java Auto Update is not available for 64-bit versions of Java prior to Java 8. For those versions prior to Java 8, the Update tab is not available in the Java Control Panel. Starting with Java 8 Update 20, the Update tab in the Java Control Panel enables users to automatically update ...
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Extensive: In Java development, if you want to improve system performance, thread pool is already a basic tool that more than 90% of people choose to use Uncertainty: There may be many thread pools created in the project, both IO-intensive and CPU-intensive, but the parameters of the threa...
Bit Twiddling was used in earlier days for efficiency. It is a technique used for bit manipulation. Java bitwise and bit shift operators such as NOT, AND, OR, XOR, LEFT-SHIFT, RIGHT-SHIFT, UNSIGNED-RIGHT-SHIFT can be used to perform operations such as multiply or divide integers, test fo...
The Java garbage collection process uses a mark-and-sweep algorithm. Here’s how that works: There are two phases in this algorithm: mark followed by sweep. When a Java object is created in the heap, it has a mark bit that is set to 0 (false). During the mark phase, the garbage ...