Java » Performance

Java is the popular programming language that originated in 1995. Today, the Java ecosystem includes a very large number of specifications, libraries, frameworks, tools, as well as a thriving community. Take a dive through our collection of Java tutorials that cover a wide array of Java-related topics.

>> Reduce Object Header Size and Save Memory in Java 25

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>> A Deep Dive into JVM Start-up

>> Java Split String Performance

>> Working With OpenTelemetry Collector

>> Reduce Memory Footprint in Java

>> Why Is 2 * (i * i) Faster Than 2 * i * i in Java?

>> Effective Scaling of Hot Application Instances with OpenJDK CRaC Help in Containers

>> JFR View Command in Java

>> Difference Between Xmx and MaxRAM JVM Parameters

>> Differences Between Heap Dump, Thread Dump and Core Dump

>> What Is a TLAB or Thread-Local Allocation Buffer in Java?

>> Metadata GC Threshold in Java

>> Performance Comparison Between Different Java String Concatenation Methods

>> Array vs. List Performance in Java

>> Possible Root Causes for High CPU Usage in Java

>> Java Streams: Multiple Filters vs. Complex Condition

>> Filter Java Stream to 1 and Only 1 Element

>> Speed up Spring Boot Startup Time

>> Performance of System.arraycopy() vs. Arrays.copyOf()

>> Collection.toArray(new T[0]) or .toArray(new T[size])