How to change Java version for Maven in IntelliJ?

Question

I\'m new to both Maven and IntelliJ IDEA.

I have a Maven project written in Java 8. Whenever I try to build it (Maven Projects window -> Lifecycle -> compile -> Run

Answer 1

Adding below lines to root(project level) pom.xml worked me to resolve above issue: (both of the options worked for me)

Option 1:

    1.8
    1.8

Option 2:

    
        
            org.apache.maven.plugins
            maven-compiler-plugin
            
                1.8
                1.8
            
        
    

originally posted at: IntelliJ IDEA 13 uses Java 1.5 despite setting to 1.7