Given the following code snippet: myFileHandler = open(“myFile.txt”) myFileHandler.writeLine(“Hello, world!”) (a) What is the purpose of the writeLine(“Hello, world!”) method? (1 mark) (b) How can you modify the code to ensure that the data is safely saved and the file is closed properly after writing? (2 marks)
Writing and Reading Files (3 marks) Read More »
Consider the variables firstName storing “John” and lastName storing “Smith”. Write a line of code in either OCR’s ERL or a high level language of your choice, to concatenate firstName and lastName with a space between them and store the result in a new variable fullName.
String Concatenation (2 marks) Read More »
Given the string s = “ComputerScience”, explain what s.substring(3,6) would output. In this question the string manipulation method .substring(x , i) should be interpreted as: x is starting index, i is number of characters, index begins at 0)
Substrings (3 marks) Read More »
(a) What is the purpose of the newFile(“myFile.txt”) function in file handling? (b) Describe what happens when the open(“myFile.txt”) function is executed in terms of file handlers.
Basic File Operations (2 marks) Read More »
