如何在IntelliJ中使用命令行参数构建java项目

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);
    }
}

Answer 1

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