Quiz : OCA Java SE 8 Certification : Java basics Quiz

Given:

class EJava { //..code}

Which of the following options will compile

The following numbered list of Java class components is not in any particularorder. Select the correct order of their occurrence in a Java class (choose all that apply):

1 comments
2 import
3 package statement
4 methods
5 class declaration
6 variables

Which of the following examples defines a correct Java class structure?

Given the following contents of the Java source code file MyClass.java, select thecorrect options:

// contents of MyClass.javapackage com.ejavaguru;
import java.util.Date;
class Student {}
class Course {}

Given the following definition of the class EJavaGuru,

class EJavaGuru {
    public static void main(String[] args) {
        System.out.println(args[1]+":"+ args[2]+":"+ args[3]);
    }
}

what is the output of the previous class, if it is executed using the following command?

java EJavaGuru one two three four

Which of the following options, when inserted at //INSERT CODE HERE, will printout EJavaGuru?

public class EJavaGuru {
    // INSERT CODE HERE     {
           System.out.println("EJavaGuru");
    }
}

What is the meaning of “write once, run anywhere”?

Select the correct options:

A class Course is defined in a package com.ejavaguru. Given that the physicallocation  of  the  corresponding  class  file  is  /mycode/com/ejavaguru/Course.class and execution takes place within the mycode directory, which of the following lines of code, when inserted at //INSERT CODE HERE, will import the Course class into the class MyCourse?

// INSERT CODE HERE
class MyCourse {
    Course c;
}

Examine the following code:

class Course { 
   private String courseName;
}
class EJavaGuru {
    public static void main(String args[]) {
        Course c = new Course();
        c.courseName = "Java";
        System.out.println(c.courseName);
    }
}

Which of the following statements will be true if the variable courseName is defined asa private variable?

Given the following definition of the class Course,

package com.ejavaguru.courses;
class Course {
    public String courseName;
}

what’s the output of the following code?

package com.ejavaguru;
import com.ejavaguru.courses.Course;
class EJavaGuru {
    public static void main(String args[]) {
        Course c = new Course();
        c.courseName = "Java";
        System.out.println(c.courseName);
    }
}

Given the following code, select the correct options:

package com.ejavaguru.courses;
class Course {
    public String courseName;
    public void setCourseName(private String name) {
        courseName = name;
    }
}