Often you get to work on a fully functional Java application that is already in production to fix production issues or to enhance its existing functionality. As a new Java developer in the team, it is not easy to get started and contributing. The approach would be slightly different from working on a brand new project.…
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Home › Java & Big Data Interview Q&As › ➡ Tutorials › Tutorials - Enterprise Java › TUT - Core Java › Archive for TUT – Debugging
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javap for debugging and better understanding some Java concepts with 3 practical examples
The javap is a class file dissembler. Here are 3 scenarios you can put javap to use with code examples.
#1 Finding the Java version of the class file within a jar
Extract a class file say “MyJobRunner.class” from a jar file and use javap to find out the version used
Remote debugging in Java with Java Debug Wire Protocol (JDWP)
What is remote debugging? It is increasingly essential with the globalization to be able to debug a Java application that is deployed remotely, in another country or city. You will…
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Top 10 Eclipse short-cut keys every Java developer using eclipse IDE must know
1. CTRL+1
Probably the most useful one. It activates the quick fix and generates lots of code for you. This means less typing.
Generating local variables: For example, if you have written a method call and you highlight it and press Ctrl+1, Eclipse will give you options to extract to local variable, assign to new local variable or assign to new field.…
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