npx cdk@next init -l java

Running com.myorg.HelloV2JavaTest
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 5.805 sec <<< FAILURE!
com.myorg.HelloV2JavaTest.testStack()  Time elapsed: 5.805 sec  <<< FAILURE!
org.opentest4j.AssertionFailedError:
Expecting:
 <{}>
to be equal to:
 <{"Parameters":{"BootstrapVersion":{"Type":"AWS::SSM::Parameter::Value<String>","Default":"/cdk-bootstrap/hnb659fds/version","Description":"Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store."}},"Rules":{"CheckBootstrapVersion":{"Assertions":[{"Assert":{"Fn::Not":[{"Fn::Contains":[["1","2","3","4","5"],{"Ref":"BootstrapVersion"}]}]},"AssertDescription":"CDK bootstrap stack version 6 required. Please run 'cdk bootstrap' with a recent version of the CDK CLI."}]}}}>
but was not.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:64)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
	at com.myorg.HelloV2JavaTest.testStack(HelloV2JavaTest.java:26)