NO.70 Given the definitions of the MyString class and the Test class:

What is the result?

NO.71 Given the code fragment:

What is the result?

NO.72 Given the code fragment:

What is the result?

NO.73 Given:
public class Equal {
public static void main(String[] args) {
String str1 = “Java”;
String[] str2 = {“J”,”a”,”v”,”a”};
String str3 = “”;
for (String str : str2) {
str3 = str3+str;
}
boolean b1 = (str1 == str3);
boolean b2 = (str1.equals(str3));
System.out.print(b1+”, “+b2);
}
What is the result?

NO.74 Given the code fragment:

What is the result?

NO.75 Given:

What is the result?

NO.76 Given the code fragment:

Which two modifications, when made independently, enable the code to print joe:true: 100.0?

NO.77 Which one of the following code examples uses valid Java syntax?

NO.78 Given:

And given the code fragment:

What is the result?

NO.79 Given the following two classes:

How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?
Any amount of electricity used by a customer (represented by an instance of the customer class) must contribute to the customer’s bill (represented by the member variable bill) through the method use Electricity method. An instance of the customer class should never be able to tamper with or decrease the value of the member variable bill.

NO.80 Given:

What would be the output, if it is executed as a program?

NO.81 Given the code fragment:

Assume that the system date is June 20, 2014. What is the result?

NO.82 Given the code fragment:

Which code fragment, when inserted at line 9, enables the code to print true?

NO.83 Given:

What is the result?
C B A

NO.84 Given the code fragment:

What is the result?

NO.85 Given the code fragment:

What is the result?