1. Variables created within a method can be accessed outside that method. OFalse

Question

1. Variables created within a method can be accessed outside that method. OFalse 2. The structure of a class consists of properties and behaviors. False 3. Which two statements are true about the main method? (Choose all correct answers) The main method should be as simple as possible. The main method is commonly used to instantiate objects. The main method should store the properties and behaviors of objects. The main method should be able to freely manipulate an object's fields. 4. Java automatically dears the memory once occupied by an object using garbage collection. False 5. What is the output of the following code? String s1 = "Hello"; String s2"Welcome!" s1 = s2; System.out.printin"'s1:+s1); Osi: Welcome! Osi: Welcome! s2: Hello O s1: Hello s2: Welcome! Os1: Hello s2: Hello

Explanation / Answer

Question 1
Answer: False

Question 2
Answer: True

Question 3
Answer:
THe main method should be as simple as possible
The main method is commonly used to instantiates objects

Question 4
Answer: False

Question 5
Answer:
s1: Welcome
s2: Welcome

Question 6
Answer: True

Question 7
Answer: new

Question 8
Answer:
All objects of the same class have the same methods.
Each new instances of an object will have a different location memory

Question 9
Answer: Local variables

Question 10
Answer:
public Employee(String name, double salary) {
this.name = name;
this.salary = salary;
}

Question 11
Answer: True

Question 12
Answer: null

Question 13
Answer: True

Question 14
Answer: True

Question 15
Answer:
A contructor method may return a value
A constructor has a void return type

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