493 Answered Questions for the topic Java

08/06/25

USB drive's name/label was permanently changed while it's actually empty label
have a number of Lenovo M70q G3 computers around our campus, including a few public computer banks.have a number of Lenovo M70q G3 computers around our campus, including a few public computer banks.
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11/29/24

What is the difference between a hash table and hashmap?
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06/12/24

(Java) How would you properly represent the following phrase?
How would you properly represent the following phrase? On to the next line!
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Java

05/24/24

How Java achieve polymorphism

Java follows oops concepts so polymorphism is one of the oops concepts How Java achieve it?
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Java

05/10/24

Two boxes have the same volume. One box has a base that is 5 cm by 5 cm. The other box has a base that is 10 cm by 10 cm. How many times as tall is the box with the smaller base?
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02/08/24

JavaFX problem help needed
I was given this code down below : package com.example.demo1; import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import... more
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01/28/24

Need help with a java coding problem
I am current working on a java problem that goes like this : "Write a program that prompts for and reads a person’s name, age, college name.".This is my current code: import... more
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10/22/23

Where is ChatGPT useful? Where is it not useful?
Where is ChatGPT useful?Where is it not useful?
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Java

10/21/23

Is it difficult to learn Java?
How easy or difficult is it to learn Java?
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10/05/23

create JUnit 5 test for these code
@Test public void getEndpoints() { }@Test public void distance() {} @Test public void slope() {}@Test public void midpoint() { with this code: public Point2D[] getEndpoints() { Point2D[]... more
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10/05/23

create JUnit 5 tests
@Test public void getEndpoints() { }@Test public void distance() { } @Test public void slope() { }@Test public void midpoint() {
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10/04/23

java method creation

public Point2D[] getEndpoints()This method creates and returns an array containing copies of the two endpoints of this Line2D object. Note that the length of this array must be 2 and the order of... more
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10/02/23

java instance methods creations

public Point2D copyOf()This method creates and returns a new, distinct Point2D object with data copied from this Point2D object.public Point2D add(Point2D other)This method creates and returns a... more
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09/20/23

java method creation

provide a sequence of Java statements to declare, create, and initialize an array of the first 500 positive even integers. the value of the first element should be 2 the value of the second element... more
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Java

09/16/23

Trying to find error: cannot find symbol
Write a program that reads integers userNum and divNum as input, and outputs userNum divided by divNum three times. Note: End with a newline.Ex: If the input is:2000 2the output is:1000 500... more
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09/15/23

java method getUserGuess
Method name: getUserGuessParameter(s): a Scanner objectReturn type: StringPurpose: This method asks the user for a 5-letter word and returns the word. This method must repeatedly ask for a word... more
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Java

08/25/23

The code stubs in your editor declare a Solution class and a main method. Complete the main method by copying the two lines of code below and pasting them inside the body of your main method.
The code stubs in your editor declare a Solution class and a main method. Complete the main method by copying the two lines of code below and pasting them inside the body of your main... more
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08/17/23

This is a Java Quiz
1.     C and C++ are __________-threaded languages whereas Java is a __________-threaded language.2.     Three reasons an alive thread might not be Runnable are that it is _________, _________, and... more
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Java

07/09/23

I am in dire need in assistance with solving and correcting these syntax and logic errors
public static void main(String[] args) { int[] num = { 7, 2, 6, 4, 12, 6, 1, 8, 49, 3 }; int lowest = num[0]; int highest = num[0]; for (int i = 0; i < num.length; i++) { if... more
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Java Sql

05/02/23

Develop an application that interviews a patient for general medical history data
Please show steps clearly. Do it in Apache Netbeams or VS CODE1. Develop an application that interviews a patient for general medical history data using abinary tree to drive the interview process.... more
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Java

04/16/23

Need help figuring out what is wrong with my Java code
Here is the problem that I am working on: "You should implement the function String findLongestName(String [] names) which takes an array of Strings as an input containing a list of names, and... more
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Java

04/14/23

FOR loop question in Java
You need to implement this function public int countBlocks(int levels) that takes the number of levels as an input argument and returns the number of blocks required to build a pyramid made up of... more
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04/09/23

why do I need the type and the new keyword with the type again in Java?

When creating an object why do I need the type and the new keyword in java, for example.Scanner scan = new Scanner(System.in);it seems repetitive to say Scanner twice.
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Java

01/30/23

Write the function divSpecial that takes an positive integer n1 and returns a string according to the following conditions .
divSpecial (n1) Write the function divSpecial that takes an positive integer n1 and returns a string according to the following conditions - if n1 is divisible by 5, it should return “divFive” - if... more
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Java

01/22/23

Write a program in java that reverses a String without using any libraries that contain a built-in reverse() function.
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