1. The append() method concatenates the string representation of any other type of data to the end of the invoking StringBuffer object. It has several overloaded versions. Here are a few of its forms: StringBuffer append(String str) StringBuffer append(int num) StringBuffer append(Object obj) 2. The result is appended to the current StringBuffer object. 3. The buffer itself is returned by each version of append( ). 4. This allows subsequent calls to be chained together, write java code for it

1. The append() method concatenates the string representation of any other type of data to the end of the invoking StringBuffer object. It has several overloaded versions. Here are a few of its forms: StringBuffer append(String str) StringBuffer append(int num) StringBuffer append(Object obj) 2. The result is appended to the current StringBuffer object. 3. The buffer itself is returned by each version of append( ). 4. This allows subsequent calls to be chained together, write java code for it

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter14: Files And Streams

Section: Chapter Questions

Problem 17RQ

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e. Why does the String Writer class use a String Buffer to perform its work?
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In this programming exercise you will implement two functions. The first function will prompt the user for a file containing the number of vertices and entries of the adjacency matrix of a graph. It will return a two-dimensional list (a list of lists) containing the adjacency matrix. The textfile is named inputfilename.txt am trying to read for the matrix 80 1 2 3 100 100 100 1001 0 2 100 3 4 100 1002 2 0 4 4 100 5 1003 100 4 0 100 100 4 100100 3 4 100 0 3 3 3100 4 100 100 3 0 100 1100 100 5 4 3 100 0 2100 100 100 100 3 1 2 0 def readMatrix(inputfilename): ''' Returns a two-dimentional array created from the data in the given file. Pre: 'inputfilename' is the name of a text file whose first row contains the number of vertices in a graph and whose subsequent rows contain the rows of the adjacency matrix of the graph. ''' # Open the file f = open(inputfilename, 'r') # Read the number of vertices from the first line of the file n =…
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public void OnSend(View v){ String phoneNumber = number.getText().toString(); String smsmessage = message.getText().toString(); if(phoneNumber == null || phoneNumber.length() == 0 || smsmessage == null || smsmessage.length() == 0){ return; } if(checkPermission(Manifest.permission.SEND_SMS)){ SmsManager smsManager = SmsManager.getDefault(); smsManager.sendTextMessage(phoneNumber, null, smsmessage, null, null); Toast.makeText(this, "Message sent", Toast.LENGTH_SHORT).show(); } Question 2: Explain the following code: button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { FragmentManager fm = getSupportFragmentManager(); FragmentTransaction ft = fm.beginTransaction(); XFragment xfragment = new XFragment(); ft.add(R.id.Main_fragment, xfragment);…
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class BinaryImage: def __init__(self): pass def compute_histogram(self, image): """Computes the histogram of the input image takes as input: image: a grey scale image returns a histogram as a list""" hist = [0]*256 return hist def find_otsu_threshold(self, hist): """analyses a histogram it to find the otsu's threshold assuming that the input hstogram is bimodal histogram takes as input hist: a bimodal histogram returns: an optimal threshold value (otsu's threshold)""" threshold = 0 return threshold def binarize(self, image): """Comptues the binary image of the the input image based on histogram analysis and thresholding take as input image: an grey scale image returns: a binary image""" bin_img = image.copy() return…
Design and implement an application that reads a sequence of upto 25 pairs of names and postal (ZIP) codes for individuals. Storethe data in an object designed to store a first name (string), lastname (string), and postal code (integer). Assume that each line ofinput will contain two strings followed by an integer value, eachseparated by a tab character. Then, after the input has been readin, print the list in an appropriate format to the screen.
OCaml Code: The goal of this project is to understand and build an interpreter for a small, OCaml-like, stackbased bytecode language. Make sure that the code compiles correctly and provide the code with the screenshot of the output. The code must have a function that takes a pair of strings (tuple) and returns a unit. You must avoid this error that is attached as an image. Make sure to have the following methods below: -Push integers, strings, and names on the stack -Push booleans -Pushing an error literal or unit literal will push :error: or :unit:onto the stack, respectively -Command pop removes the top value from the stack -The command add refers to integer addition. Since this is a binary operator, it consumes the toptwo values in the stack, calculates the sum and pushes the result back to the stack - Command sub refers to integer subtraction -Command mul refers to integer multiplication -Command div refers to integer division -Command rem refers to the remainder of integer…
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