这个为啥一直运行失败，求解答

HelloWorld.java:2: error:  expected
    public staric void main(String[] args){
                 ^
HelloWorld.java:2: error: invalid method declaration; return type required
    public staric void main(String[] args){
                       ^
HelloWorld.java:3: error: ';' expected
        System.out.println("Hello imooc"):
                                         ^
3 errors