网易2018实习生招聘笔试题-大数据开发实习生-云音乐

package test
import com.util.TestUtil
import com.TestUtil
public class Test {
  public static void main(String[] args)  {
    TestUtil testutil = new TestUtil()
  }
}

public class Test {
    static int a
    int b
    static int c

    public int aMethod() {
        a++
        return a
    }

    public int bMethod() {
        b++
        return b
    }

    public static int cMethod() {
        c++
        return c
    }

    public static void main(String args[]) {
        Test test1 = new Test()
        test1.aMethod()
        System.out.println(test1.aMethod())
        Test test2 = new Test()
        test2.bMethod()
        System.out.println(test2.bMethod())
        Test test3 = new Test()
        test3.cMethod()
        System.out.println(test3.cMethod())
    }
}

public static void main(String[] args) {
    String str=null
    str.concat("abc")
    str.concat("123")
    System.out.println(str)
}

public class Test {
    int count = 21
    public void count() {
        System.out.println(++count)
    }
    public static void main(String args[]) {
        new Test().count()
        new Test().count()
    }
}