kdb+/q – Try Catch

Programming languages typically have a try-catch mechanism for dealing with exceptions. The try block contains the code you want to…

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Java 14: Helpful NullPointerException Messages

A new JVM option, -XX:+ShowCodeDetailsInExceptionMessages, has been introduced in Java 14, in order to provide helpful NullPointerException messages showing precisely…

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Java 14: Pattern Matching for instanceof

Java 14 introduces Pattern Matching for instanceof, another preview language feature, that eliminates the need for casts when using instanceof.…

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Java 14: Records

Java 14 arrived a few weeks ago and introduces the Record type, which is an immutable data carrier class designed…

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Java 13: Enhancements to Switch Expressions

You may remember from my previous post that, in Java 12, the traditional switch statement was enhanced so that it…

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Java 13: Text Blocks

Java 13 has delivered the long-awaited multiline strings or Text Blocks. You no longer need to concatenate strings that span…

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Using Java 12 in Eclipse

1. Install JDK 12 Link: https://www.oracle.com/technetwork/java/javase/downloads/jdk12-downloads-5295953.html 2. Install Eclipse 4.11 Link: https://download.eclipse.org/eclipse/downloads/drops4/R-4.11-201903070500 3. Install Eclipse Java 12 Support Start Eclipse…

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Java 12: Switch Expressions

In Java 12, the switch statement has been enhanced so that it can be used as an expression. It is…

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Load Testing Web Apps Using Apache JMeter

Apache JMeter is an excellent tool for simulating user load on a web application in order to test performance. You…

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