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Introduction to Java 11: Support and JVM Features #jjug
- 24. 良い例
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello World.");
}
}
$ docker run --rm -it -v $(pwd)/src:/src openjdk:11-jdk ¥
java /src/Test.java
Hello World.
- 25. 悪い例
public class Hoge {}
public class Fail {
public static void main(String[] args) {
System.out.println("Fail");
}
}
$ docker run --rm -it -v $(pwd)/src:/src openjdk:11-jdk ¥
java /src/Fail.java
error: can't find main(String[]) method in class: Hoge