How to build java project with command-line arguments in IntelliJ

Question

I have a java test project which has two binary fields.when I want to compile the project in IntelliJ,it complains that I should use -source 7 instead of -source 1.6 while compiling.my JDK is the latest.I don't know how to fix this.

sample code:

public class BitWiseTest { static int val1 = 0b01110;//compile-time error static int val2 = 0b11011;//compile-time error public static void main() { System.out.println(val1 & val2); } }

You probably have the language level of the project set to 1.6 - this is a setting independent (-ish) of what version JDK you use. — millimoose
– millimoose, Commented Feb 14, 2013 at 16:25
Go to File->Project Structure->Project & Change the project language level to 7.0 & project SDK to 1.7 — Extreme Coders
– Extreme Coders, Commented Feb 14, 2013 at 16:26
yes, you should be able to set which jdk you're using inside the IDE — Jeff Hawthorne
– Jeff Hawthorne, Commented Feb 14, 2013 at 16:27
@Extreme Coders, you were right.provide an answer to get reputation if you want. — Ramin Omrani
– Ramin Omrani, Commented Feb 14, 2013 at 16:53

Extreme Coders · Accepted Answer · 2013-02-14 17:00:05Z

The issue mainly happens due to incorrect configuration of Project language level set. Thus although you may be using java 7 but since the project language level is configured incorrectly it uses constructs only valid in that language level.Thus you get the error. To fix it follow the steps :

Go to File->Project Structure->Project & Change the project language level to 7.0 & project SDK to 1.7

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