Difference between RuntimeException and checked Exception in Java

RuntimeException vs Checked Exception in Java

Java Exceptions are divided into two categories RuntimeException also known as unchecked Exception and checked Exception. Main difference between RuntimeException and checked Exception is that It is mandatory to provide try-catch or try finally block to handle checked Exception and failure to do so will result in a compile-time error, while in the case of RuntimeException this is not mandatory. The difference between checked and unchecked exception is one of the a most popular question on Java interview for 2 to years experienced developer especially related to Exception concepts.

java.lang.OutOfMemoryError: Java heap space : Cause and Solution

So you are getting java.lang.OutOfMemoryError: Java heap space and run out of ideas on what to do, especially if you are a user of any Java application and not the programmer or developer, this could be a tricky situation to be in. I receive lots of emails from Minecraft user ( a popular Java game), along with junior developers who are using Tomcat, Jetty, Untow, JBoss, WebSphere, Android user, who uses Android apps and several other Swing-based Java desktop application user complaining about java.lang.OutOfMemoryError: Java heap space in their Mobile or Laptop.