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Question 1. List three debugging techniques, within the debugger, that can be used to locate logical error in the Java code. For each of these tools, explain what purpose it serves and how it relates to the debugging process. Question 2. Give several reasons why exception-handling techniques should not be used for conventional program control.
Question 3. Suppose you had to create an algorithm that chooses between several different processing paths, and the control variable was a discrete data type. What would be the best approach? Question 4. You have in your program an ArrayList that contains employee salaries (double type) in arbitrary order. You need to display the employees' salaries ordered in descending order. Provide detailed steps how you plan to accomplish this task. You do not need to give correct Java code (a detailed pseudocode is sufficient), but indicate which method(s) and which Java class(es) you would use. Question 5. Suppose that you have an array of baseball scores (type integer) called Scores. The values in the array are ordered from largest to smallest. You need to find the average score, how many scores are less or equal to the average, and how many are greater than the average. Write a code fragment to accomplish it, or at the very least, write a detailed plan (pseudocode). Question 6. Suppose that you're developing a Java program that uses decimal numbers and you'd like to control the formatting of your program output. How do you do this using the Java library in the java.Text package? List a coding example, and explain the necessary steps. Question 7. Classes and objects are the fundamental concepts of object-oriented programming language. What are classes and objects? Explain the relationship between a class and an object.
Write a program that will process the data file to read the file and calculate the number of assistants and the average salary and the number of associates and the average salary
Write a program that reads a four-digit number from the keyboard as a string and then converts it into decimal. For example, if the input is 1100, the output should be 12. Hint: Break the string into characters and then convert each character to a va..
Write down java program for real estate agent. Program must perform the following tasks: ask users for average house price for the each of past 5 years for single family residence of 1500 square feet.
Write a java enumeration LetterGrade that represents letter grades A through F, including plus and minus grades. Define a private instance variable holding a boolean value.
write a program that reads in a list of numbers from a file and adds up all those numbers. You may hard code in the name of the file, allowing the user to input the filename is not required
Write a GUI program that maintains a set of contacts. Each contact has name, address, and a list of phone numbers. This contacts should be be stored in a HashMap
Writer a program that allows the user to enter an unknown number of characters, stores those characters in a data structure (a vector) and then prints the values to the screen.
Write an application that prompts the user for three first names and concatenates them in every possible two-name combination so that new parents can easily compare them to find the most pleasing baby name. Save the file as BabyNameComparison.java
Analyze, design, develop, test, and deploy small-to-medium-scale Web applications and Create dynamic Web applications using JavaServer Pages (JSP) technology and Java Servlets
Given the subsequent code segment that reads in a String str - Write a loop that will print out the value entered into str in reverse.
How can you use a hash function to find duplicate files (even when the file name is changed)?
Create the following program which converts Fahrenheit to Celsius. Read integer Fahrenheit temperatures from the user.
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