build.gradle

apply plugin: 'java'
apply plugin: 'checkstyle'

sourceCompatibility = '1.8'
[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'

// NetBeans will automatically add "run" and "debug" tasks relying on the
// "mainClass" property. You may however define the property prior executing
// tasks by passing a "-PmainClass=<QUALIFIED_CLASS_NAME>" argument.
//
// Note however, that you may define your own "run" and "debug" task if you
// prefer. In this case NetBeans will not add these tasks but you may rely on
// your own implementation.
if (!hasProperty('mainClass')) {
    ext.mainClass = 'bookingsystem.Bookingsystem'
}

repositories {
    mavenCentral()
    // You may define additional repositories, or even remove "mavenCentral()".
    // Read more about repositories here:
    //   http://www.gradle.org/docs/current/userguide/dependency_management.html#sec:repositories
}

dependencies {
    // You can read more about how to add dependency here:
    //   http://www.gradle.org/docs/current/userguide/dependency_management.html#sec:how_to_declare_your_dependencies

    testCompile group: 'junit', name: 'junit', version: '4.12'
    compile group: 'org.postgresql', name: 'postgresql', version: '42.1.4'
}

test {
    // we want display the following test events
    testLogging {
        events "PASSED", "FAILED", "SKIPPED"
    }
}

checkstyle {
    configFile = file("${project.rootDir}/checkstyle.xml")
    toolVersion = '8.5'
}