Netscape considered their client-server solution as a distributed OS‚ running a portable version of Sun Microsystems’ Java. Because Java was a competitor of C++ and aimed at professional programmers‚ Netscape also wanted a lightweight interpreted language that would complement Java by appealing to nonprofessional programmers‚ like Microsoft’s Visual Basic (see JavaScript and Java). Developed under the name Mocha‚ LiveScript was the official name for the language when it first shipped in beta releases
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………………………13 4.2 CLASS DIAGRAM ......…………………...16 4.3 USE-CASE DIAGRAM …………………..17 4.4 COLLABORATION DIAGRAM ………….18 4.5 ACTIVITY DIAGRAM …………………....19 4.6 MODULES IN THE SYSTEM ..................20 5. PROGRAM CODE .....................................................22 6. TESTING 6.1 SYSTEM TESTING ...................................69 6.2 BLACK BOX TESTING ..............................70 6.3 WHITE BOX TESTING ........
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types in java. 2. Decision making statements 3. What are different types of IO streams? Explain with the help of examples. 4. Exception handling 5. Build an application that allows an operator to book the tickets for his selected movie‚ book his snacks and print the bill amount. The bill can be for matted to display the customer’s details and the net amount. CONTENTS TOPIC PAGE NO. INTRODUCTION 1 DATA TYPES IN JAVA 2-14 DECISION MAKING STATEMENTS 15-20 IO STREAMS IN JAVA 21-26
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public class Employee { private int empNum; public int getEmpNum() { return empNum; } public void setEmpNum(int emp) { empNum=emp; } } public class TwoEmp { public static void main(String[]args) { Employee clerk = new Employee(); Employee driver= new driver(); clerk.setEmpNum(345); driver.setEmpNum(456); System.out.println("The clerk’s number is" + clerk.getEmpNum() + " and the friver’s number is " + driver.getEmpNum());
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[Page 575] Part 4: Exception Handling‚ I/O‚ and Recursion The Goddess Chalchihuitlicue‚ found in the Valley of Mexico‚ 1300-1500 AD (stone)‚ Aztec / Musée de l’Homme‚ Paris‚ France / Bridgeman Art Library This part introduces the use of exception handling and assertions to make your programs robust and correct‚ the use of input and output to manage and process a large quantity of binary data‚ and the use of recursion to write methods for solving inherently recursive problems. [Page 576]
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series of characters‚ example [‘h’‚’e’‚’l’‚’l’‚’o’]. In Java‚ string is an object. The Java platform has String class to create and manipulate strings in a Java application. To create a string‚ write String remark = “This is it!”; In the above statement‚ “This is it!” is a string literal‚ a series of characters. This string literal is assigned to a String object named remark. The string literal can be displayed using the Java output statements‚ System.out.print( ); or System.out.println(
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DUCAT Java Test (Batch 10:30 to 12:30) Duration 1 Hr Q1. class B { public static void main (String[] args) { for (int i = 0; i < 4; i++) { switch (i) { case 0: System.out.print("A"); case 1: System.out.print("B"); case 2: System.out.print("C"); }}}} What is the result of attempting to compile and run the program? a) Print ABC b) Print ABCC c) Print CBA d) Print ABCBCC e) Runtime error f) Compile time error Answer d) Q2. Which access modifier is used with class name a) Class can be
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Computing &Math. Sc.-University of Greenwich FMI- University of Shumen -BSc Informatics JAVA Programming Lecture 1 March 2007 Lecture notes by Dilwyn Edwards‚ presented by Stanev How do you learn? Programming is very obviously a task-oriented activity and the only way to learn is by doing it. Get as much practice as you can by trying all the exercises and don’t be afraid to try out your own ideas by modifying some of the examples. You can learn a certain amount from online tutorials
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| I Introduction Java is a programming language originally released in 1995 as a core component of Sun Microsystems’ Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. Java applications are typically compiled to bytecode that can run on any Java Virtual Machine (JVM) regardless of computer architecture. Java is a general-purpose‚ concurrent‚ class-based‚ object-oriented
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In Java programming‚ inheritance plays an important role in a programmer’s ability to reuse codes. Inheritance in basic terms allows a subclass to use the variables and methods of a superclass. When a programmer creates a subclass with new variables and methods‚ it can easily use the superclass’s methods and variables by extending without having to rewrite the entire superclass over again. Therefore‚ the subclass inherits variables and methods from the superclass. In this sense‚ inheritance helps
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