Quiz ＃1

Wednesday

With a piece of paper, write down your name and answers to for following questions.

1. Which of the following is a valid println statement?

   1. System.out.println + "Hello World";
   2. out.System.println("Hello World");
   3. println.out("Hello World");
   4. None of the above is valid

2. &&, ||, and ! are ____.

   1. relational operators
   2. logical operators
   3. conditional operators
   4. ternary operators

3. This type of method does not return a value

   1. null
   2. void
   3. empty
   4. anonymous

4. Find the error in the following class:

   public class MyClass {
       private int x;
       public void MyClass(int a) {
           x = a;
       }
   }

   Correction:

   public class MyClass {
       private int x;
       public MyClass(int a) {
           x = a;
       }
   }

Student Performance and Statistics

A histogram of student performance on percentage grades for Quiz 1 on Wednesday.

A table showing the average performance for each question in Quiz 1 on Wednesday.