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(a) Show the printout of the following code:
public class Test { public static void main(String[] args) { int[] a = {1, 2}; swap(a[0], a[1]); System.out.println("a[0] = " + a[0] + " a[1] = " + a[1]); } public static void swap(int n1, int n2) { int temp = n1; n1 = n2; n2 = temp; }}
(b) Create a panel with BorderLayout. Add a button labeled "OK" to the south side of the panel.
(c) Given the following program, show the values of the array in the following figure:
public class Test { public static void main(String[] args) { int[] values = new int[5]; for (int i = 1; i < 5; i++) { values[i] = i; }
values[0] = values[1] + values[4]; }} (d) Suppose A is an abstract class, what is wrong in the following code?
A[] list = new A[10];list[0] = new A();
prepare a program that constructs a binary tree and traverses the tree in pre-order in-order and post-order methods.
Write a java program to perform matrix multiplication - Your code will need to be able to read in these files, place the contents of each file into separate two-dimensional arrays and then perform the needed multiplication and place the output of t..
Write an application named UseInsurance that uses an abstract Insurance class and Health and Life subclasses to display different types of insurance policies and the cost per month.
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.
Prepare executable program and a dictionary Program.
Java's type int has a limit on how large an integer it can store. This limit can be circumvented by representing an integer as an array of digits. Write an interactive program that adds two integers of up to 50 digits each.
Write a program in Java that simulates a simple line editor which supports the following operations
develop a java based gui applicationusing swing that allows the user to enter charityfund informationwrite the
Create a Java class called SameArraysException that extends the Exception class.
Write a program that translates a number into the closest letter grade. For example, the number 2.8 (which might have been the average of several grades) would be converted to B-. Break ties in favor of the better grade
Java program, the program has a page that shows the users name and program name. a second jpanel that shows 4 buttons (circle square rectangle and oval) the problem i am having is that my program is not dropping where i click and the shapes are not s..
A method that takes a two-dimensional array of int's as a parameter and searches the array for the second parameter, returning true if the second parameter matches any of the integers in the array, and false otherwise.
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